All of this experimenting made me settle on 70 as a nice middle ground. I once read that Televue actually bench tests all of their eyepieces before delivery to their customers or dealers; if so they may be unique in this regard. Click here to simulate the field of viewhttps://astronomy.tools/, Posted by philip fontaine on 4th Aug 2022. Though advertised as 80, I found the apparent field matched a Naglers 82 field. 8 & 10 Ethos has a bit more light transmission, but this EP is a fraction of the cost , and well worth it! Alan Dyer is an astrophotographer and astronomy author based in Alberta, Canada. They look as good to my eye as any of the other high-end eyepieces I've used. Though more costly, the Stellarvue Optimus also stood out for price vs. performance in a full 100 eyepiece. any limitations are just limitations and can not be named "favorite", (2) acceptable (not a favorite) eyepiece AFOV depends from nature of observing object. I am fortunate that I do not need to wear glasses.. Over the years, I have built up a collection of eyepieces that includes multiple sets. Stars are sharp across all but the outer 10 to 15 percent of the field, so very close to Nagler performance. (2011) 1,348,335; (2021 est . I find that I can use nearly the entire field of an 82 eyepiece for observing an object but the wider field of a 100 or 110 eyepiece does not add much to the field useful for observing the planets and double stars. Stars are Nagler-class sharp to the edge even on the Newtonians. Might it not be that Stellarvue just have updated the specifications so that they better represents reality? All in all, exactly what you'd expect from Stellarvue: A great product at a reasonable price. Going Wider: Five 100-Degree Eyepieces Compared, A Beginners Guide to Telescope Eyepieces, Price and Quality in a High-Power Zoom: SVBONY 3mm-8mm Zoom Review, Celestron Tabletop Tripod Review: Sometimes Smaller is Better. You probably won't notice the difference. This is the original 100 eyepiece and is still the standard of excellence. The 16 and 7mm looked diffierent than these didn't they? I did sell a lot of axiom LXs though, and owned the 23mm for a while and was impressed with it. For me, I love 82 degrees, it feels just right. While the NexStar SE/Evolution Celestron, Celestron Tabletop Tripod, NexStar SE. I think you got a nice deal on those eyepieces and I bet they work just fine. Get a chair! Bottom Line: A good ultra-wide eyepiece for the money. The result is the equivalent to your grade in the German grading system, where 1.0 is the maximum grade and 4.0 the minimum passing grade. Pinpoint stars to the edge, M27 is amazing in my 14" Dobsonian. I ordered mine from Omegon and overseas delivery was prompt. It's a great eyepiece. The 8-element Morpheus design provides nearly top-class performance for much less than the premium competition, which would also include Tele Vues 72 Delos series. Edited by 25585, 06 March 2023 - 09:04 AM. We are fast approaching "galaxy" season, with the planets in the rear view mirror. Collecting EP's is a journey for sure in finding out what you really like. Drift time is about 20 seconds. I tested this set on f/6 apo refractors and f/5 to f/6 Newtonian reflectors, concentrating on comparing on-axis and off-axis sharpness. But I prefer wider fields when possible - 82 to 100 degrees. Report back witn with your thoughts when you get a chance. We recommend this as the ideal deep sky eyepiece for viewing nebulae, clusters and galaxies. Congrats! But I can't confirm, and they could be a whole new OEM same as the luminos perhaps, rather than the initial SV82 which I am pretty sure was the UWAN. I just ordered two 1.25" 32 mm 52 degree GSO eyepieces from Agena Astro because I would like to have that wider TFOV. At 564 grams even with its 2-inch adapter tube, Stellarvue's Optimus is the lightest of the 100 set, a consideration for balancing smaller telescopes. Don't know if this means that that the actual focal lengths are different? It performs well on faster telescopes, a key characteristic of Nagler and Ethos eyepieces. Based on the 14mm SSW, I can recommended the series, though they are even more costly than Nagler Type 6s. Will 1.25 inch eyepieces fit ES coma corrector? Eyepieces with 100 apparent fields of view provide the widest actual fields possible at any given focal length (with the exception of the few 110 and 120 models on offer). The top dust cap fits on only when the eyecup is retracted, an inconvenience. EPs: ES 2 . Please re-enable javascript to access full functionality. I tested these on f/6 apo refractors and f/5 to f/6 Newtonian reflectors, concentrating on comparing on-axis and off-axis sharpness. Pros: Lightest 100 with good eye relief. Please note that this tool is only intended to provide a first orientation and the results are in no way binding. At NEAF, I purchased the 16mm UWA from Stellarvue for $95.I've owned all the WO UWAN in the past but sold off all of them except the 4mm.There was nothing wrong with them. This is a superb eyepiece for the money, with the bonus of argon-filled waterproof construction to keep moisture from penetrating and fogging the eyepiece on humid nights. Anything is possible. They were identical to the UWANs (and 5 other brands of the same eyepieces). Field Stop: 13.6 mm Number of Lens Elements & Groups: 7 elements Special Features: Tapered insert tube Comes with Dust Caps? But it is an excellent and attractive, though large, eyepiece at a slightly lower price than a Nagler with much better eye relief. I have never used any of the super mega ultra extra wide eyepieces. Program Fees: 0 - 10,000 (per semester) Academic Ranking of World Universities (ARWU) #48, QS World University . Drop it in a barlow or a slow Mak and it's tolerable. Stellarvue Ultra Wide Angle 15mm MSRP $150 Pros: Low price; good eye relief; solid construction. It comes with a pouch with a belt clip. (Yeah, yeah, I know that's asking a lot.). Introducing the Stellarvue Optimus eyepiece series. A+ is the highest possible grade, and the lowest grade to pass a course is D. So if you assign numerical values in ascending order starting with 1, the input for the grade conversion is as follows: In the conversion tool, you enter 1as maximum grade (corresponding to A+), and 5 asminimum passing grade (corresponding to D). Astromania now sells a 32mm, but I suspect it is a 31mm Luminos. The grades represent the following assessments of the examination performances: Talent Development, Scholarships and Awards, Verification of Study Periods for Pension Insurance, Mission Statement and Teaching Constitution, TUM Center for Digital Leadership Development, Digital Programs of Executive and Professional Education, Office of the Senior Executive Vice President, TUMonline TUMs campus management portal, Academic and Examination Regulations (FPSO), resolution of the Kultusministerkonferenz, 1.01.5 very good: excellent performance, 1.62.5 good: performance well above average, 2.63,5 satisfactory: average performance, 3.64.0 sufficient: performance meets the standards in spite of deficiencies, from 4.1 fail: performance does not meet the standards because of substantial deficiencies. They made their own products as well. Faster scopes (below f5.9) are more sensitive and require more expensive EP's and a probably a coma corrector. I would be very surprised to find out that this new Stellarvue line is not the same as the new TS UWAN line. The one piece of information I have not been able to find here or on other forums is what FOVs people prefer, whether the specified field of view is at specific focal lengths or in general. At under $200 this eyepiece is a great way to get those wide views at a reasonable price. and even less can be tolerated in condition of tacking mount. I have the Stellarvue 15mm UWA and it needs some focal length to clean up the field as curvature starts getting beyond tolerable for my eye around the 65-70% mark in an f/7 600mm refractor. Our EUW eyepieces are now loaded into AstronomyTools database and application. Oh, barlowed the 15mm starts to show curvature around the 80-85% mark for my eye and the 4 and the 8mm the same since already barlowed. But yea I mainly like using EP's in the 70 - 82o FOV range. Buy all three of our high end 82 degree eyepieces and save! The 4 and the 8mm have barlow lenses in them and they are the same eyepiece other than the barlow lens. I have the WO versions of these and find them very good, indeed! It's all part of the marketing game. Can't beat it for the price, especially since the market has gone insane. Has similar build quality to TeleVue and has a better feel than its APM counterpart. Pros: Low price; good eye relief; solid construction. This 9 mm eyepiece is ideal for moderate power work on moons, planets and dark sky objects. I bought this and the 4.7mm on a whim when picking up an SV60. Click here to simulate the field of viewhttps://astronomy.tools/. At TUM, grades from 1 to 5 are assigned. if(sWOTrackPage)sWOTrackPage(); But I still prefer the Ethos SX on Uranus and Neptune because it gives me a much longer time between nudges and that allows me to relax more when looking. Theres a new alternative for the Celestron NexStar SE and NexStar Evolution series tripod a short, foldable tabletop tripod. Its smaller, lighter, and cheaper than the bigger ASIAir Plus astrophoto computer, but is it as good? The most eyepieces I use are 65 to 70 degrees. Today, they report 4mm, 8mm, and 15mm and are $50 apiece less expensive, at $149 each. #wo_online_image, #wo_offline_image { This affect is more pronounced in lower magnification, wide-field EP's. For Messier 24 ("Delle Caustiche") even in short focal scope 100 deg. The failure rate, resolution, sharpness, and other subtle differences were there. Call us at: 530 823 7796 Open Mon-Fri 9-5 Pacific Time, 3. It's the same at low power, which Ernest just pointed out. My conclusion from testing this 82 group was that the Explore Scientific came very close to matching the standard-setting premium Tele Vue Nagler, but at a lower price. Tight eye relief, a lot of field curvature, and edge-of-field brightening at f/10. As Jon said, it will take some time to build an eyepiece range. They're still well regarded, though the 28mm is said to be ergonomically awkward to view through. Anything is possible. Munich, German Mnchen, city, capital of Bavaria Land (state), southern Germany. Edit: For clarification, I am referring to the apparent field of view of eyepieces, not the true field of view. Top 100 Worldwide. #32 Times Higher Education Ranking. Add 1/8" if rolled up. Buy all three of our high end 82 degree eyepieces and save! The jump from 50 to 70 provides a much larger leap than 70 to 100 to my eyes. Your grading system is A+, A, B, C, D and E (Fail). At least I think they are new because I can't find anything about these focal lengths, they currently have 4, 8, and 15mm available. The 28mm UWAN does not appear to be available any longer, but here is an old CN article about the line. }. Click here to simulate the field of view. All marketing. The 4.5mm Morpheus is sharper than the Ethos SX, by a hair. In short, I found it uncomfortable to use. Certainly a keeper. Just teasing you, David. and they are currently also sold under the labels: Aah but they are new new to Stellaruve. This counterweight system is used to quickly adjust balance on smaller telescopes when eyepieces of different weights used. This eyepiece is ideal for higher power work on planets and double stars since it is very sharp, contrasty and has a generous 82 degree field of view. They slap on the "15mm" on the side and everybody assumes it is actually 15mm, when it is really 14mm. I test ZWOs new ASIAir Mini. Other than that, this eyepiece is excellent and certainly merits your consideration. Bottom Line: Another fine ultra-wide eyepiece for the money. However, on a Schmidt-Cassegrain, with its more forgiving f/10 focal ratio, off-axis sharpness was much better. The Stellarvue 82 is well made, with a compact, solid construction, good 14mm of eye relief (better than the stated 12mm) and a fold-up eyecup. Today, they report 4mm, 8mm, and 15mm and are $50 apiece less expensive, at $149 each. Also, I view with eyeglasses because of my severe astigmatism. They are probably another variation of the UWANs, thought the specified focal lengths have been changed from 7mm to 8mm and from 16mm to 15mm. It just felt like a 68-degree field that was pushed slightly further out. Stellarvue 4 mm Ultra Wide Angle 1.25" Eyepiece - EUW-04.. The knurled grip rings and construction of both are superb. Effect of barlows / field flatness for AT60ED solar imaging, Jon Isaacs, SpaceConqueror3 and mrsjeff like this, sportsmed, edsmx5 and Someone4322 like this, Dave Mitsky, John Huntley, CeleNoptic and, izar187, pj_thomas and Alex Swartzinski like this. Its barrel fits only 2-inch focusers and so requires more costly 2-inch filters. LMU - Ludwig-Maximilians-Universitt Mnchen. That's easier with the smaller size of the 82 Naglers when compared to the 100 eyepieces, however I'm working on that. Edited by David E, 08 October 2014 - 08:14 PM. Read Alan Dyers comparison of nine 82-degree eyepieces, Tag List TELESCOPE meade eyepiece Explore Scientific tele vue omegon stellarvue. Edited by Alex Swartzinski, 05 March 2023 - 11:02 PM. The Stellarvue 82 is well made, with a compact, solid construction, good 14mm of eye relief (better than the stated 12mm) and a fold-up eyecup. And if you like the UWANs, see my review of the WO XWA. I've had both and they are excellent (and same price)! His website at www.amazingsky.com has galleries of his images, plus links to his product review blog posts, video tutorials, and ebooks on astrophotography. This was part of a 3 piece set and I won't be using this one. Omegon in Germany offers many unique products such as their Panorama2 eyepieces. They are still the best but are expensive. This is why some wide field EP's cost more, some, a lot more. Like the Ethos, it can be used as either a 2-inch or 1.25-inch eyepiece. The 28mm has a 2" barrel, the rest are 1.25". The Panoptic 27mm has an even more pleasing view. Reducer Flatteners for other telescopes, Finderscope Eyepieces with Focusing Reticle, Barlows to double the power of your eyepieces, Stellarvue Ultra Wide Angle Eyepiece Set - EUW-SET, Stellarvue Optimus Eyepiece Set with Case - EOP-SET, Stellarvue 4 mm Ultra Wide Angle 1.25" Eyepiece - EUW-04.0, Stellarvue 15 mm Ultra Wide Angle 1.25" Eyepiece - EUW-15.0, Stellarvue 8 mm Ultra Wide Angle 1.25" Eyepiece - EUW-08.0. I find I kind of have to make myself use them more often. Yes, for standard 1.25" and 2" eyepiece filters. Some people love the porthole views of 100-degree eyepieces, and others like me would rather have a cozy field stop that's easy to take in with long eye relief. sold for a while and that line was 16, 8, 4. New from SV? Though if you want the best, this is it. Fully-multi-coated lenses, rubber grip, 43 mm field lens and 2" filter threads. But I have had really great customer service from stellarvue which is hard to beat, and I have always been happy with their equipment. Most suffer from variable plossl, svbony, SVBONY Zoom Eyepiece, Zoom eyepiece. Below shows the 100 degree Ethos alongside the 82 degree Nagler. Has anyone out there tried both or have any thoughts? There's also a comfort factor. public University. Edited by Someone4322, 06 March 2023 - 03:36 AM. Toss-up, both a bargain @ $200. I just purchased a SV80A (really excited) and they had deal going where you get the 8mm and 15mm for a little over $100 so I jumped on it. Eye relief is a very long 20mm. An important factor is whether you have astigmatism in your observing eye and need to wear glasses when observing,. Note: For definitions of basic eyepiece characteristics mentioned below, see Ed Tings A Beginners Guide to Telescope Eyepieces. I love my 20mm 100 degree eyepiece. Cheers. But then again, thats more or less the point the eyepiece gets out of the way so you no longer have the sense you are looking through a round porthole or window. No. If the grading system of your university uses letter grades, you can assign a number to each letter grade. 3. It is Bavaria's largest city and the third largest city in Germany (after Berlin and Hamburg). Kunming UWA reskins. For some reason, uncle Al seems to have a monopoly on 13-16mm compact 82s that perform well in fast scopes as the 16 UWAN was the weak link in that line as well, but I don't remember ever trying the 16, or scrutinizing the 15mm axiom LX vs the 14 Meade or ES. HOW did the Stellarvue EPs work out???? I still focused on the field stop and never got the spacewalk views others enjoy. Stars begin to distort in the outer 25 percent of the field, so worse than the Explore Scientific and Tele Vue Ethos, but still very good, especially for the price. Pros: Great optics; wider field; comfortable eye relief and eyecup. There was nothing wrong with them. I'll be curiously watching how this pans out as to the origins of these EP's, if they end up being the old UWANs they are priced pretty competitively.
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