140mm refractor. Of course, all the above is just my opinion.

140mm refractor An instant classic. Focal length. html This scope seems like a dream rich field, with double ED, and 10mm more aperture than a Takahashi TOA-130. After some looking , I found what is perhaps the Refractor 102 - 105mm. ♦ Doublet ED apo with FPL53 element and APO140FL F/7– TEC's most popular telescope. The new, compact Allrounder by APM with 2-lens FPL 53 Optics wit Riccardi M63 Reducer. I have a few limitations though. APM - Telescope APO SD Refractor 140mm F/5. The largest imaging refractor I can put on that mount would be at least some 140mm refractor models. Askar has released two new APO Triplet refractor telescopes - a 140mm and a 185mm f/7! The full range now includes: Askar 103 APO Triplet Refractor. That also is about as large of a scope as I could ever deal with. Back-order. In Stock. The initial knowledgeable reviews indicate the TS Télescope 102 mm f/7 FPL55 Triplet APO Refractor avec certificat. Well, I don't have a premium 130-140mm refractor or a 16" dob, but I do have a couple premium 4" refractors (FC100DL and FC100DF) and a premium 20" dob (Obsession Classic with an Ostahowski mirror). From my experience is that the dob gives much better views of the planets but only when the scope is precisely collimated, well cooled and the seeing is APM Doublet SD Apo 140 f/7 FPL53 (2. Skip to content. Optically-matched reducers and flatteners are available for all models. Skip to main content Shop by category. Askar 120 APO Triplet Refractor. Shop by category. While I owned a Ranger and two 80mm Richfield scopes, I found that I tired of them quicklyI was just too spoiled by the aperture advantage of the SCT. Home Latest topics Subscribed topics . Our Price: $1,999. Keep in mind that not all mounts can image well at these longer focal lengths. Up to APM 140mm DOUBLET APO REFRACTOR by Lawrence Carlino. 6mm(with the dew shield contracted) Accessories：a pair of tube rings, a wide dovetail plate and a handle Tube Outer Diameter：148mm Net Weight：10. 5 Resolution：0. The APM APO SD Refractor 140MM F/7 and APM APO FPL 51 Refractor 152mm F/7,9 doublet lenses are both made in China from commercially available Asian/Chinese glass elements and are accordingly priced lower than the same aperture LZOS lenses. 7 apo triplet refractor. 5") APO refractor. Reason: I wanted to get rid of the long cooling time of my OMC Maksutov, but at least retain the image quality of the Maksutov. 138 mm. Need more time to judge the views, but this is literally the largest refractor I could ever use for a "grab and go". 958 strehl. 00 Prix d'origine $836. 8 arc sec. 5. 0”) rack & pinion. We shortened the focal ratio specifically designing The modern APM apochromatic SD refractor 140/980mm - Excellent performance at an incredibly attractive price! Review (Cloudy Nights, english) Characteristics: Modern optical design; Excellent chromatic correction due to the use of FPL53 Until recently, the only readily available choices in this size category (as new) have been the Vixen 140mm Achro-Petzval, the TEC 140ED triplet, and the just-released Explore Scientific carbon fiber triplet. Jon Isaacs, Jon_Doh and C0rs4ir_ like this Back to top #3 Stellar1 Stellar1. Soyuz. APM 140mm doublet caught my eye, it fits almost perfectly, not too small aperture, not too expensive compared to premium scopes with similar aperture and reviews are very good. The Skywatcher, while being a good instrument for me to learn how to operate a scope, does nothing to help contain my The APM APO SD Refractor 140MM F/7 and APM APO FPL 51 Refractor 152mm F/7,9 doublet lenses are both made in China from commercially available Asian/Chinese glass elements and are accordingly priced lower than the same aperture LZOS lenses. See this quality for yourself by utilizing its retractable rear lens tube. Oil spaced type, triplet apochromat. 140mm f7. Reason: I wante Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep sky treasures of the Messier catalog with Explore Scientific’s ED140 FPL53 140mm f/6. Because I have to Stellarvue’s Newest SVX Refractor is the Stellarvue SVX140T, a 140mm f-6. Tube length (dew shield retracted) 34" / 864 mm. Certainly between the 120 and TEC APO140FL is an equipment item of class Telescope or lens on AstroBin equipment database. rockstarbill likes this Back to top #9 aacc66 Askar 140 APO 140mm f/7 Triplet Refractor Telescope # 140APO . fr: High-Tech Deep Sky really depends on conditions but certainly M13 and M22 are resolved to the core at 250x and above with the Tak 120. At this time of year in Tennessee the high humidity combined with moderate light pollution make star testing on an Each and every refractor is checked at least four times: 1) Interferogram at JOC with minimum acceptable level at 0. 7" ZTA . I live 20 miles east of NYC, on Long Island, where the skies are believe it or not, pretty good particularly, on a dry clear moonless night. Refractor telescopes are great for 102 mm Refractor versus 140 mm Maksutov; Vixen ED102 vs OMC140 by John Baars 102mm refractor versus 140mm Maksutov Vixen ED102S vs. I only used the C8 for planetary and it didnt perform as well for photography as my 115EDT with a barlow on Jupiter. SiO2 and/or MgF2. That being said if one were to have a say c14 there is Aperture 140 mm Focal length 910 mm Fast focal ratio f/6. 8 is TEC’s most powerful telescope and is considered an observation class instrument. Manufacturer : APM. Its wide aperture of 140mm and premium triplet apochromatic design resolves intricate structures and incredible contrast on endless objects in space. A Stellarvue 130 triplet is $5,000. Askar 185 APO Triplet Refractor. 9" / 150 mm. ♦ Aperture 140 mm♦ Focal length 910 mm♦ Fast focal ratio f/6. Apochromatic refractors vs other telescope types. 00 L'Askar 140APO est un OTA avec une ouverture de 140 mm, une distance focale de 980 mm et u Afficher tous les détails Prix d'origine $2,739. Stargazing; Telescopes; Gear; Astrophotography ; Home / Telescopes / 12 Best Refractor Telescopes Actually Worth the Money [2024] By Ian J. The impressive light-capturing capability, coupled with the elimination of chromatic aberration The 140 APO refractor from Askar produces stunning views and images loaded with detail. It is very sharp, and the color correction is quite good. If one were to take for ex. Ken Sturrock, Through a 140mm Refractor. After much consideration an 8” TMB apochromatic refractor became my choice for my Farm observatory. 19 lb / 8. 965 mm. But I gather that’s not the case and I’ve learned I can do more with a smaller perfect view than I can with a larger mushy view. 3. OMC140. However, I really like my Takahashi refractors, and Im wondering whether a TSA-120 might give me slightly better views of the planets (especially Mars) than the APM can. Page 1 of 3 - 130-140 mm + Premium Refractor Options - posted in Refractors : Im considering making the plunge and purchasing a dream refractor for both Astrophotography and Visual use. 5 is suitable for imagers using sensors The Askar 140APO is an OTA with a 140mm aperture, 980mm focal length, and f/7 native focal ratio. 5 is an equipment item of class Telescope or lens on AstroBin equipment database. 7 apochromatic Crystal clear views and images are made possible with the first-class optical design of the 140 APO f/7 Triplet Refractor from Askar. 5. Having a 120, 130 and a 140mm refractor ( a story for another time) I can say that the difference between a 130 and 140 is nearly non remarkable except that there is a slight difference in detail saturation but no new detail is seen. Delivery contains: Optical Tube; 1 Pair of Tuberings with handle; 2. 25585 Why bypass the 130? It is the “sweet spot” refractor if there ever was one. However, I still do not know the combination. The APO250VT F/8. It is ideal for double star observing and detailed planetary views. 5 inch Vixen Telescope with incredible performance. A Stellarvue 140 triplet is $6500. 5, the scope Aperture Size：140mm Limiting Visual Magnitude：12. 1 813,84 € 1 913,30 €-99,46 € Télescope TS PHOTOLINE Triplet APO 102 mm f / 7 FPL55 Triplet APO Refractor avec certificat La lunette apochromatique avec une ouverture de 102 mm et une distance focale de 714 mm offre les plus hautes performances optiques et une mécanique de . 00 100mm ERF Glass, Cell & 150mm ID Cap - For refractor: £659. Sharpstar 50mm f/5. The SharpStar 140PH scope features a 140mm air-spaced triplet objective with two ED glass elements for excellent colour correction, contrast, and image sharpness. 1 kg (22. Meet the GODO Telescopes: TEC 140FL 5. This optical tube excels at light gathering power, resolution, brightness, and contrast, achieving a limited magnitude of 12. The focal length of the Explore Scientific ED140 (910mm focal length) was a perfect fit for the target. Page 1 of 2 - APM 140 vs TS 150 (FPL-53 Doublets) - posted in Refractors : Im shopping for my second and backyard scope, and currently looking at the new TS 150mm f/8 doublet and the APM 140mm f/7 doublet. 9 / 150mm Tube Page 1 of 2 - APM 140mm DOUBLET APO REFRACTOR - posted in Discussion of CN Articles, Reviews, and Reports: Some two dozen observing sessions and direct comparisons with instruments of known quality have convinced me that this APM 140ED is indeed an excellent telescope. It sits within several lines of refractor that TEC makes and the Tout savoir sur la lunette APO Triplet 140 (F/7) Askar. Refractor 135mm. 5 ED (roughly $4K) and the carbon fiber tube Explore Scientific 140 F6. 7" ZTA. Weighing in at 50kg, the APO250FL can be transported to various observing stations, however TEC highly ASKAR 140APO F7. 6 with reducer is a mid range scope. This 140mm NA (Neo-Achromatic) Refractor Telescope by Vixen features a two element secondary lens at the rear of the optical tube to provide a flatter field of view (Petzval Refractor telescopes shine in many astronomical uses, from leisurely stargazing to highly professional astrophotography. With a native focal ratio of f/6. Astrophotographers list The Airy Disk 140mm Apochromat represents a top-tier telescope designed to meet the needs of both astrophotographers and visual stargazers. This Telescope is light weight, portable, and is optimal for visual and CCD imaging. First up is one of their more unusual telescopes, the Vixen NA 140 SSF Flat Field Refractor. My two most favoured options are the Skywatcher Esprit 150, and the APM 140, but I am not planning to sell my ES 127, instead I A 140mm refractor at f/7 or a 150mm at f/6 would be pretty close. 130 vs 140 - posted in Refractors : Not an insignificant increase in price to go from a 130mm to a 140mm scope. A refractor telescope is a departure for me, as I've always owned reflectors before finding a comfortable home with SCTs. The air-spaced doublet lens cell provides exceptional correction for observation and astrophotography. E-120N80: 80mm ERF Glass, Cell & 120mm ID Cap - For refractor: Energy Rejection-Refractor. 6 kg . 140 mm. Ordering (and importing) directly such an item Page 2 of 3 - 130-140 mm + Premium Refractor Options - posted in Refractors : Your If you want larger image scale for galaxies and small objects, another 10 or 20mm will not make a difference. L'ouverture de 140 mm lui confère un avantage inhérent en termes de puissance de collecte de lumière, de résolution, de luminosité et de contraste, permettant au photographe de collecter plus de lumière et de présenter plus de détails et d'objets plus lumineux dans l'image. Its way too big for a 140mm refractor. 5 Focal Ratio：f/6. 300 mm Losmandy style. Then there is the TEC 140 but I Hi, I'm in the market for a refractor as my only instrument (visual only). What is less critical during the Page 2 of 2 - 120-130mm refractor make any sense for me? - posted in Refractors : Hello Gene, I think the 9. Free Contiguous US Shipping. Using Ohara FPL-53 glass, the refractor gains similar characteristics to the Hoya FCD-100. Airy Disk 140mm f/6. Doublets are fine. L'Askar 140APO Got one to maximize the potential of my Stellarvue M2C mount. I wouldn't be surprised if the the Sharpstar does too. 5 ED Triplet Apo Refractor Telescope # 50EDPH . It might be that it will be good enough for some people in the enviroment they image. 9 / 176mm Tube Diameter 5. Focal ratio. E-130N100: 100mm ERF Glass, Cell & 130mm ID Cap - For refractor: Energy Rejection-Refractor. Personal Upgrade Path. 7 apochromatic refractor made with a super low dispersion Ohara S-FPL-53 or equivalent center element. Page 1 of 2 - 140mm Refractor - posted in Refractors : Im thinking about selling my Celestron 8SE SCT and accessories. The aperture of 140mm gives it an inherent advantage in terms of light-gathering power, resolution, brightness, and contrast, allowing the photographer to gather more light and present more details and brighter objects in Vixen NA140SS 140mm Refractor Telescope for sale in the UK at the best price⚡️. I had finished imaging M92 and decided I would replace my camera with an eyepiece and actually look at what I was imaging. 83 arc seconds Objective Lens：triplet air-spaced APO(including two ED glass) Tube Length：738. E-140N100: 100mm ERF Glass, Cell & 140mm Aperture 140 mm - Focal length 980 mm - Focal ratio f/7 Triplet objective with one ED element Stable 3. 25PV; 2) visual optical test at JOC; 3) upon arrival at our logistic center each refractor is double pass tested by two experienced testers using an optical flat; and 4) unpacking, mechanical/cosmetic inspection, and repacking. It fits everyone’s needs. Furthermore, they are frequently employed for wide-field imaging, providing broad views of star fields and I wanted something that would provide the maximum 'usability' (i. WO Flattener 68III (for Full Frame) Starizona Apex ED-L Astronomers looking for large aperture refractors can be satisfied that the 140mm NA140SS delivers superb views of the night sky with its 400x light gathering power. 826 mm. It is a beautiful thing. 7inch focuser. 5" APM Focuser (3. Every person “peers” more or less with his eyes and that makes it difficult to observe with a Bino. outside focus - posted in General Observing and Astronomy: I performed a star test on a 140mm doublet APO refractor recently and do not understand the difference between the inside and outside focus image it produced. Having said this, if one did not have a refractor having an aperture between 100 and 140 mm then this would actually work pretty well though a Newtonian will typically vignette (darken) the stars towards the edge of the field; the amount depending on the diameter of the secondary mirror. EMSea Masque de Mise au Point de Télescope Acrylique Léger de Masque de Bahtinov pour Diamètre Extérieur de Tube de 100mm à 140mm pour Dobsonians de Réfracteur Réflecteur : Amazon. In early June 2018, I photographed the Crescent Nebula using a cooled CMOS camera and a large apochromatic refractor. The choice is far greater now, but then Altair Astro were selling a air At a glance The 140 mm f/6. 5♦ Air-spaced triplet objective - 2 ED elements provide an image free from chromatic aberration♦ Solid 4" rack and pinion focuser with dual speed It may also depend on the mount you are using. | Nate Nise . I own a 120mm, f7. 5 EDF AIR-SPACED APO REFRACTOR (5. 44 mm. Also, when a long focal length eyepiece is used with a 140 mm. The Askar 140APO can be used in three possible configurations: Imaging at 980mm (f/7) with the 1x full frame flattener The SVX140T is now available in this "Raptor" version with a more compact carbon fiber tube and dew shield. 5" aperture) "the latest high tech Apo design series" Still proving "Made in The USA" can mean something great! This 140mm Starfire EDF is the sequel to and smaller cousin of the proven 160mm Starfire EDF. Explore Scientific has modernized this refractor with high-quality Ohara optics. 7 & 165mm F/7) - posted in Refractors : Hello, Anybody with experience with these two new models from Explore Scientific? Im considering a bigger refractor and those Regarding the refractor, there are some people who are satisfied with the svx scopes, but most image examples I have seen had pretty bad stars. Tube weight. 22 Lb) 100mm (4. The resolution of the ASI294MC-Pro camera sensor produced a large image of the nebula in the The Askar 140APO is an OTA with a 140mm aperture, 980mm focal length, and f/7 native focal ratio. The 140 requires a heavier mount. PV/5. The cost of refractors climbs rapidly with aperture so I limited my search to those with objective around 5 inches or a little more (127 mm to 140 mm). I would then add another refractor. Questions about the product or delivery time? Share On : Price: 3990. Posts: 446; Joined: 09 Jul 2012; Posted 16 The optical performance for this scope is also a mixed bag. If I want to use it for DSO, I think Ill need to outfit it with an Get the best deals on 101-140 mm Objective Lens Diameter Refractor Telescopes when you shop the largest online selection at eBay. 8 arc sec Dew Shield Diameter 5. Astro-Physics introduced the prototype of this new triplet apochromatic refractor at the Northeast Astronomy Forum (NEAF) on April 28, 2007. 0 scope. This alone makes telescope quite interesting. This is a 140mm, f-6. 7 Neo-Achromat refractor with a 4-element Petzval-like optical design. I do not want to pay more for a 160mm refractor, and I believe the TEC 140 is an excellent size for visual and portability. The biggest advantage of this double refractor in comparison with a binocular is certainly that no double images are generated. 8 kg (with tube rings) APM SD 140 mm would be the refractor upgrade you would find yourself capable of managing. 5, FPL53 (Super Duper) refractor. easy setup, storage, use, and takedown time) with the maximum 'reach. Tube diameter. APM uses the same tube i use on my 152, but with a ridiculously large lens spacer to make the smaller lens cell fit into that porky tube. fr: High-Tech Page 1 of 4 - APM 150 vs 140 for visual planetary - posted in Refractors : I want to buy one of these refractors, 70% for planetary visual, what do you think would be the best option? APM Doublet SD Apo 140 f/7 FPL53 APM Doublet ED Apo 152 f / 7. The Vixen NA140SSf 140mm Refractor Telescope with GPD2 Equatorial Mount, HAL130 Tripod GPD2-NA140SSf (N) 26262 is a 5. The Explore Scientific 140mm Triplet ED APO is a monster in carbon fiber! Take a quick look! APO250VT F/8. 102mm refractor versus 140mm Maksutov. 5 Air-Spaced Triplet ED Apochromatic Refractor in Carbon Fiber with 3" I wanted something that would provide the maximum 'usability' (i. They may start to think they are doing something wrong. Advanced: Daily Deals It looks like a cool telescope but a 7" refractor is another animal than a 6" refractor. What is less critical during the One reason is that the scope isn't remotely an AstroPhysics. Our Price: $399. Edited by skyward_eyes, 10 November 2023 - 01:58 PM. Edited by ChrisWhite, 12 December 2021 - 08:43 AM. Home ; Forum . I would guess that the 140 would weigh more by the time you add the flattener and camera, etc. The rear element enables a normally slow f-ratio objective lens (with lower chromatic aberration) to achieve a faster f-ratio and a flat field. At a glance From intricate double star observing to high contrast detailed planetary views, this new scope will introduce a whole new group of Astronomy enthusiasts to APM quality. 980 mm. This shows that the Petzval elements in the Vixen require a longer tube assembly than a Économisez $41. You will need a flagship refractor and a small, grab-n-go one. After some looking , I found what is perhaps the APM 140mm DOUBLET APO REFRACTOR by Lawrence Carlino. The Askar 140 APO is a large aperture triplet refractor that meets the needs of discerning astronomers and astrophotographers. Their innovative combination of materials and design has resulted in optical performance far beyond the normal for a telescope of this This Explore Scientific 140 mm FPL-53 Apochromatic Triplet Refractor displays the wonders of the vast night sky and includes a 3" Hexagonal focuser so you can explore with ease. for the Sharpstar 140mm F6. I'm visual only and so far have only used doublets. 63 reducer for the C8, but I havent used it. Doublet Super ED Apochromatic Refractor. From a 100 Energy Rejection-Refractor. 5" ZTA) is an equipment item of class Telescope or lens on AstroBin equipment database. For small objects, down the road consider adding a Cassegrain of one kind or another. Learn More. 00 € incl tax 19% Telescope Engineering TEC APO140FL 140mm F7 Triplet Refractor In classic refractor fashion, the TEC APO140FL F/7 is a no compromise, no frills design that lets the wonders of nature speak for themselves. Enter your search keyword. I also found one of the small bolts rolling around inside the tube. The 140mm refractor will show noticeably more detail on the moon, Jupiter, Saturn and Mars. 00 Explore Scientific FPL-53 APO refractor (140mm F/6. The ES 140mm f6. ' My conversations with more seasoned observers and dealers all came back to one scope - the no longer available Tele Vue 140, a 140mm (5. I Since then, refractors have come a long way. 1kg One reason is that the scope isn't remotely an AstroPhysics. Credit: Larry Carlino. The SVX140T is a 140mm, f-6. e. We have painstakingly engineered an optical and tube solution to bring you APM quality at an unheard price. 100mm ERF Glass, Cell & 140mm ID Cap - For refractor: £659. Roland designed this scope with approximately the same focal length as our original 155mm f/7 StarFire (as well 140mm + Refractors How to submit an article or review. Afin de compléter sa gamme d'instruments (Quadruplet avec les PHQ et Quintuplet avec les FRA), Askar propose désormais des triplets en diamètre de 103 à 140mm avec un APO250VT F/8. DSOs will also be more impressive. Askar 140 APO Triplet Refractor. L'Askar 140APO est une lunette avec une ouverture de 140 mm, une distance focale de 980 mm et un rapport focal natif f/7. The “Ooh, Wow!” and “This has to be a fake!” comments more than compensate for the rigors of transporting and setting up a high-quality instrument. 7. However I'd I think because of using domestic products, they can afford to use two ED glasses on one 140 mm refractor. Heres a copy of the data: On each color focused The refractor is sold under various other brand names. Avec plus de lumière entrant dans l'astrographe, la magnitude limite peut atteindre 12,5. I once owned a Lunt 152, which is pretty much the same scope as the APM 152 regarding weight and length and this would be too difficult to TS Télescope 102 mm f/7 FPL55 Triplet APO Refractor avec certificat. TKSTSCFAPO102. I think it Page 1 of 4 - My refractor vs my C14 - posted in Refractors : Last night I was out imaging with a friend at our favorite dark site and got a chance to do some eyepiece work. Im just looking to add a refractor. Reading your interest in the Sw AZEQ5, has reminded me of why I originally wanted one. High quality and fast delivery⚡️. Having owned many sizes and configurations of the breed, I’ve been on a seemingly endless The reason I got the TEC 140mm is because I do not plan to get another refractor. It really depends on your tolerance. You might not find I quite so easy with a CG5. teleskop-Elementen. Under unfavorable conditions (our brain) creates double images again and again. The APM 140mm doublet ED apochromatic refractor neatly fills the gap between some very capable 5-inchers and the much more difficult-to-mount 6-inch Page 1 of 2 - APM 140mm vs Takahashi TSA-120 - posted in Refractors : Hi everyone, I have an APM 140mm with a . 5" Rapport F/D : 7,0 Magnitude limite visuelle : 12,8 Clarté : 544 x Longueur du tube : 102 mm Refractor versus 140 mm Maksutov; Vixen ED102 vs OMC140 by John Baars 102mm refractor versus 140mm Maksutov Vixen ED102S vs. 5 Triplet ED Apochromatic Refractor JavaScript seems to be disabled in your browser. Refractors are easier to use, but that does not necessarily translate into better. This series introduces the most recent high tech Apo designs incorporating triplet apochromat Refractor telescopes are great for astronomy and terrestrial viewing, but they especially shine in astrophotography. Page 1 of 2 - 120-130mm refractor make any sense for me? - posted in Refractors : As one can see from my signature, I have a Stellarvue 102mm triplet, a Mewlon 210, and 100 and 120mm binoscopes. If you recall from the presentation that Ron also has a Paramount MX. Explore . 2. The Chromacor is specially designed for slower F/8 - F/10 achromats and has I finally made the decision to buy a large Refractor Telescope. 3990. About two years ago, I offered to beta test Valery's spherochromatism corrector device called the Chromacor on my refractor. L'ouverture de 140 mm lui confère un avantage inhérent en termes de puissance de collecte de lumière, de résolution, de luminosité et de contraste, permettant au photographe de collecter plus de lumière et de présenter plus de Page 2 of 22 - Askar 140 APO - posted in Refractors : Not necessarily. JimP I am planning to upgrade my main refractor in 2020 (partly because of the favourable opposition of Mars in October of that year), which I will mount piggyback on my 14in Newtonian, on which my ES 127 is currently mounted. Its not really for high resolution and it is not widefield. The short focal ratio (f/8) and possibility of significant chromatic aberration was not a concern due to my review of the existing literature about this telescope. mblack, dawnpatrol, 25585 and 3 others like this Back to top #52 lwbehney lwbehney. It is a fast f5. I started out with a few dobsonians before I got sucked into the near perfect image a refractor can put up. I guess whoever assembled it didn’t check everything. I have a 140mm refractor but its a little heavy and now that I am older, I find myself using my small refractor more often. 5” Refractor Written in collaboration with Claire Gibson, Lowell Observatory Educator . There is no question Page 1 of 2 - Two SD-APO doublets: APM 140mm F/7 or TS-Optics 125mm F/7. OMC140 Preface Some years ago I bought an older Japanese Vixen ED 102 f / 9 refractor from the Nineties. The APM scope uses a similar doublet with a shorter f-ratio and a larger objective. The TEC APO140FL F/7 Page 1 of 2 - APM 140mm f7 doublet test data - posted in Refractors : Markus just posted test data on the first article of the new APM 140mm f7 ED doublet in the vendors forum. 00. The initial knowledgeable reviews indicate the star test: inside vs. In mak cass vs. It is an achromatic refractor of the Fraunhofer design with a focal length of 1,200mm. Advanced search Equipment Constellations IOTD/TP Archive Groups Remote astrophotography . Fluoro-Crown & Lanthanum Glass (Hoya) 883mm (from center of the last surface) F/6. As noted by Stellarvue owner Vic Maris, “Using all of the techniques we have developed in making our SVX series telescopes, we have shortened the focal length and, since the objective is air spaced, this telescope has outstanding sphero-chromatic correction. Vixen ED102S vs. The latest version of the NA140 uses a new Japanese-sourced objective lens for superior performance compared to the previous generation model. 1 813,84 € 1 913,30 €-99,46 € Télescope TS PHOTOLINE Triplet APO 102 mm f / 7 FPL55 Triplet APO Refractor avec certificat La lunette apochromatique avec une ouverture de 102 mm et une distance focale de 714 mm offre les plus hautes performances optiques et une mécanique de APM Doublet SD Apo 140 f/7 FPL53 and Lanthanium H-LAF53 Lens in CellThe new APM 140mm Doublet is a mold breaker with high quality. With a 35mm Panoptic, I can get 23x with an almost 3 degree field of view. This is REALLY fast for a larger aperture refractor. It is a fair bit larger and your mount is going to need to be pretty serious to hold it, especially for imaging. First, it must be portable. So far, I’ve used this scope 6 times in the old back yard, and the views were typical of a short tube refractor. I am quite excited about it, its price and performance. One of the greatest thrills in amateur astronomy is providing a first telescopic look at the moon or Saturn at a public venue. A large short tube achromatic refractor as a grab-and-go instrument After calibrating by myself the real impact of color correction in the kind of observation that I like, I was so satisfied that I began to reckon on a large aperture short-tube refractor in an azimuth mount, or even only the OTA. Post listing Sell Seek . Overview. 5" Focuser with 1:10 Microfocusing; Losmandy-Style Dovetail; Shoe for Engineered to perfection, this refractor telescope blends quality with affordability. Free shipping on many items | Browse your favorite brands | affordable prices. I took the scope out with and Product description. Surveyor 1. It depends on what you aim for and what conditions you image in. Unlike it can be read sometime, all optical components are manufactured by TEC in Golden as well as most mechanical parts and OTA. 5" dual-speed RAP focuser with 360° rotation connection and 100 mm adjustment travel Sufficient working distance for observation with 2" accessories and for photography Flattener and two reducers available (0. Marketplace . 5” TEC Wide-Field Refractor Some years ago, I decided to acquire a larger refractor than my FS102, f/8, fluorite doublet (now a ‘cult’ telescope). 00 130mm ERF Glass, Cell & 150mm ID Cap - For refractor: £929. Ill have to give this more thought. 00 Page 2 of 2 - 140mm Refractor - posted in Refractors : Thanks for all of the responses and advice. I don’t think that you will see much difference in “actual” galaxy detail between a 102mm, 120mm, and 140mm refractor under the same conditions, but the 140 will make those objects a touch easier to see. 7" APM and Starlight 3" available as an additional cost option) TS-Optics Photoline 140mm f/6. Its a great all-rounder, and I love using it. refractor - posted in Refractors : Hi,I was wondering a little about co. Small In Size, Big On Views . Does or has anyone use the STA 140mm? APM Doublet SD Apo 140 f/7 FPL53 Optical TubeThe new APM 140mm f/980mm Doublet is a mold breaker with high quality. The APM 140mm doublet ED apochromatic refractor. Spherical abberation and field curvature are less than So, having owned a 10” RC, and now owning a 140mm refractor (though obviously of better pedigree than the APM) would you recommend the 140 over a Mewlon 210 for conventional as well as NV astronomy? I followed APM - Telescope APO SD Refractor 140mm F/5. Attached Thumbnails. Now youre evaluating options for the flagship. I was using my Istar 140mm f/6. 10. 00 SVBONY SV503 Télescope ED 102mm F7 Doublet Refractor (F9359D) Prix d'origine $836. I live on a golf course and cannot leave my telescope and mount outside overnight - two bad things could happen; A) a thief in the night B) golf course activates I've got a 100mm refractor (or two ?) but have been thinking for a while about stepping up to say 130mm to 140mm which I think is the max for me given weight etc. I would be replacing my Astro-Tech 130EDT, which does provide excellent views but has some slight blue/violet fringing around bright stars when imaging. Posts: 3,601; Joined: 08 Dec 2018; Loc: Juuuust outside Toronto; Posted 16 September 2024 - 06:25 AM. Would I gain anything from having a 120-130mm refractor (visual only) or am I just doing my usual cloudy night ruminating about spending more money? I know you’re all Of these 685 images, 121 were taken using apochromatic refractor telescopes. SKU : APM140-7-3. Firstly, we can see that apochromatic refractors are by some distance the most successfully used When I first got my 140mm Phantom I was impressed with the optics, but the focuser was kind of rough. The APM The OTA spec lists it as 140mm of aperture at f/5. This telescope has been ordered in 2003. Clear aperture 140mm Focal Length 980mm Focal Ratio 7. I also looked at the azeq6 and mgen combo as I am trying to avoid using a laptop ( right or wrong) no computer has value to me. Youve taken care of the small one with the DZ. 7 and the Antares is f/6. 5 in) Focal Length: 980 mm: Focal Ratio f/7: Mount: Astro-Physics 1100 GTO . I have a 0. So far so good on the decision. 5 triplet apochromat convinces with a pure colour image and a powerful 4" RAP focuser. No point going lower because the exit pupil here is already at 7mm. 5 Air-spaced triplet objective - 2 ED elements provide an image free from chromatic aberration Solid 4" rack and pinion focuser with dual speed - ideal for astrophotography Intermediate threads for screwed adaptations, e. 146 mm. ” CFF Telescopes Refractor 140mm f/6. Page 4 of 22 - Askar 140 APO - posted in Refractors : People mentioned a scope like this for visual on a manual alt/az and if this were equal to my ES 127mm FCD100 triplet I would be doing just that with it. M68x1 female thread Retractable dew shield CNC tube rings, carrying handle and dovetail bar are Roland Christen at NEAF with the 140mm f/7. For those of you who have studied them side-by-side were you able to see a significant visual difference particularly regarding light increase. The SVX 140T uses FPL53 and Lanthanum. The main advantage of a triplet is it lets you image into the UV and IR further than we can see. This is a front doublet with a 3. 140mm F/7 or F/5. 00 € TS-Optics Photoline 140 mm f/6. 5 StarFire EDF and 900GTO German Equatorial Mount. Dec 23 2009 09:20 AM " and seasoned-observer who has purchased perhaps 150 telescopes over the past 50 years I’ve always come back to the refractor as my very favorite type of instrument. The new 140- SD Apo features a Doublet lens cell using SD glass FPL-53 to maximize performance. That makes a focal length of 800mm. The Vixen, although fine for deep-sky observation, has significant false color that really disqualifies it as a planetary inst The modern APM apochromatic SD refractor 140/980mm - Excellent performance at an incredibly attractive price! Review (Cloudy Nights, english) Characteristics: Modern optical design; Excellent chromatic correction due to the use of FPL53 Medium-size refractor that targets both visual astronomers, interested in top quality planetary views, and imagers alike. APM Doublet SD Apo 140 f/7 FPL53 Optical TubeThe new APM 140mm f/980mm Doublet is a mold breaker with high quality. With the new 140 mm SD Apo we believe we have created an Apochromatic Refractor of incomparable performance and value in its category. With the new APM 140-980ED we believe we are offering an Apochromatic Refractor of incomparable performance and value in its category. This review was done in 140 mm (5. Aluminium Tube with CNC Tube Rings. The only APO doublet available at this size is the newish APM 140 f7. If APM made their 140 with a smaller diameter tube, like 140 to 145mm, I think it would be a huge success because it would fit on a lighter AVx Now, in this thread, you start by evaluating a 140mm refractor, except saying soon after that you need at least a 7" ! I try to offer my experience, for what it's worth Many are excited about the 185mm and 203mm refractors recently introduced by some Firms; but first reports do not show brilliant performances. It is well built, nicely finished, and it boasts very fine optical quality. Looking at the Planets? Try these! More Planetary Viewing items . 25 - 42mm with 3. 5 - posted in Refractors : https://www. Putting everything together I concluded that seeing conditions would limit the useful aperture, an apochromatic refractor is as good as it gets inch for inch, and, 8” aperture would certainly be “enough”. Preface. Josef1968, leviathan, rayden68 and 3 others like this Back to top #11 RogerLaureys TEC 140 - not just the best real world refractor but the best real world astronomical telescope, all things considered. 0 Resolution (Theoretical) 0. 3599. com. David . 162 mm. You can't go wrong with either scope in my opinon. I contacted Thomas Back and APM Doublet SD Apo 140 f/7 FPL53 Optical TubeThe new APM 140mm f/980mm Doublet is a mold breaker with high quality. Bob Bob makes a point too Home / Uncategorized / Protected: CFF Telescopes Premier 140mm f6. 8 ? - posted in Refractors : I am relatively new to the world of scopes having bought my first learning scope, a Skywatcher 102mm F/5 achromat refractor, just last month. E-120N100: 100mm ERF Glass, Cell & 120mm ID Cap - For refractor: Energy Rejection-Refractor. In addition, its Page 2 of 3 - APM 140mm ed f/7 worthy upgrade from Tak FC-100DZ? - posted in Refractors : I thank you all for the thoughts and input, i think as newbie i have a better orientation now with the apos. Preferably with the same weight. Add to Cart . FPL-53 Super ED Element, Fully Multi-Coated . . 8. The telescope Lady Fraktor wrote: ↑ Fri Jun 04, 2021 3:23 am Please do not say that loudly, I would hate for my Stellarvue or Vixen to hear that. The aperture of 140mm gives it an inherent advantage in terms of light-gathering power, resolution, brightness, and contrast, allowing Vixen NA140SS 140mm Refractor Telescope for sale in the UK at the best price⚡️. I was previously using an AT115 on the same mount, but thought it could handle more scope (especially with the APM's Losmandy plate). Buy risk-free: When it’s time to trade up you’ll get the most value for your used gear. 7. Browse Marketplace . It uses a 140mm doublet. The 140mm aperture gives this telescope an inherent advantage in light-gathering This is a highly colour corrected, 140mm clear objective diameter, 980mm focal length F7. Some years ago I bought an older Japanese Vixen ED 102 f / 9 refractor from the Nineties. Three optical elements This 140mm NA (Neo-Achromatic) Refractor Telescope by Vixen features a two element secondary lens at the rear of the optical tube to provide a flatter field of view (Petzval design). The TEC in action. According to my calculations, one would have the same area as an almost 8 inch refractor. 5 Super Triplet Apo with 2 ED elements . 7ZTA-M63. The Vixen is f/5. Reason: I wante Super Apochromatic (Super APO) Imaging Refractor OTA. 9 FPL-51 I own a Celestron C11 XLT and a 12 Dobson. Despite being the smallest of the GODO telescopes, the 5. Refractor 140mm. 140 mm Focale : 980 mm Formule optique : Réfracteur Triplet Apochromatique Lentilles / groupes : 3 lentilles Coulant : 50,8 mm et 31,75 mm (2" et 1,25") Modèle : Lunette Apochromatique Askar 140mm F/7 Triplet - Focuseur rotatif Rack&Pinion 3. Of course, all the above is just my opinion. Oil spaced type, triplet apochromat Is a 140mm ED refractor better than 102mm ED for astrophotography? - posted in Refractors : hi all I have two scopes both f/7 ED doublets - an APM 140mm and a 102mm Altair Astro. Johnson Updated on January 8, 2024. 7 FPL53 (roughly $6K). 00 € Omegon Apochromatic refractor Pro APO AP 140/910 The APM 140mm F/7 Apo is an apochromatic doublet refractor with optics from APM's SuperED FPL53 Apo series. It is one of the best telescopes for its size on the market. We shortened the focal ratio specifically designing this telescope for imaging using our dedicated field APM - Telescope APO SD Refractor 140mm F/7 FPL53 with 3. The new 140mm SD-Apo features a Doublet lens cell using SD glass FPL-53 to maximi I don't like the APM 140. The 140 mm SD Apo features a doublet lens cell using SD glass FPL53 to maximize performance. The TEC 140 is a premium quality – and priced – instrument. 8x) CNC tube rings with dovetail bar (Losmandy style) and carrying The Askar 140APO is a triplet refractor apochromatic optical tube assembly, featuring a large 140mm aperture, 980mm focal length, and a native focal ratio of f/7. 4 tec 140mm refractors and somehow combine the view of all 4 sort of like using a reverse binoviewer type system. I mount them on a The Askar 140APO is an OTA with a 140mm aperture, 980mm focal length, and f/7 native focal ratio. 5 refractor. 7 apochromatic refractor made with a super low dispersion center element. Resolution (theoretical) 0. Paired with our Field Corrector for Medium Format, the 140 mm F/6. Edited by syxbach, 10 October 2019 - 06:33 PM. I purchased my iStar Phantom FCL 140-6. 5 fpl53 has me Akozon Bahtinov Masque de Mise au Point Télescope Masque de Mise au Point Acrylique Espace Profond Plaque en Arête de Poisson 100-140mm pour Réflecteur Réfracteur Astrophotographie : Amazon. Messenger. 5 refractor about a year ago and I am not affiliated with iStar in anyway. 0,90. Excellent condition, no scratches anywhere – glass is immaculate albeit seems to be some dust on the inside – not much at all just enough to say something. YES. For observing planetary details, star clusters, and double stars, their capacity to produce high-resolution photographs qualifies them as perfect. So, it will also depend on what Page 1 of 3 - 150mm Antares and 140mm Vixen compared - posted in Refractors : Somebody asked me to show the Antares and Vixen side by side a while agoThe lengths are roughly equivalent from objectives to end of focusers. Celestron C6-RGT. Attach an eyepiece or camera when Askar 140 APO Refractor. 5 Triplet Apochromatic Refractor Password Protected To view this protected post, enter the password below: Page 1 of 5 - TS (Sharpstar) 140mm triplet F6. g. TEC is specialized in high quality Maksutov Telescope and, since 2002, manufactures apochromatic refractors of 140mm 160mm and 200mm aperture. - Jim Back to top #2 crow crow. This would make a terrific rich field instrument, filling a remaining gap in my equipment. Out of Stock. Contrast, contrast, contrast. Weighing in at 50kg, the APO250FL can be transported to various observing stations, however TEC highly recommends that a permanent observing station be made for this telescope. To do EAA with my 130mm reflector and mount my 70mm f11 refractor on the other side while in Alt Az. I've looked at specs etc. Good luck. yih pqnfdzl mpopf pspnqy bazbl jzb spov mssfjvf bxpx jvtjbon