No. This grade conversion formula, together with your degree programs Academic and Examination Regulations (FPSO), is a tool to help your convert grades earned in countries other than Germany. A year ago, they had 3 focal lengths of 82 eyepieces of 4, 7, and 16mm, and I reported them in the 2016 Guide to eyepieces. I have never used 100o EP's but they are larger/heavier so you might have balance issues depending on scope/mount setup. And the included velvety storage bag is very nice. This 9 mm eyepiece is ideal for moderate power work on moons, planets and dark sky objects. On the 2-inch focusers on my Newtonians I had to pull the eyepiece out a little in the draw tube to have it reach focus. and even less can be tolerated in condition of tacking mount. (Yeah, yeah, I know that's asking a lot.). There are many really good ones available in this category, all across the price spectrum. Introducing the Stellarvue Optimus eyepiece series. Click here to simulate the field of view. The specifications state an 86 apparent field but it appeared to be the same as the other 82 models. Taken out of the original box for pictures only. Click here to simulate the field of viewhttps://astronomy.tools/, Posted by philip fontaine on 4th Aug 2022. Anyone tried them? 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. 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. I have the WO versions of these and find them very good, indeed! I present them in order of increasing price. Have fun experimenting! With some help from the members here, I'm awaiting a 28mm 82 degree Stellarview EP. The true field of view is 0.75 degrees, with an exit pupil of about 1.9 mm. ), Call us at: 530 823 7796 Open Mon-Fri 9-5 Pacific Time, Read the review of the Stellarvue Optimus eyepieces by Tony Hallas in the May 2017 issue of Astronomy, Our EOP eyepieces are now loaded into AstronomyTools database and application. EPs: ES 2 . Kunming UWA reskins. Why 5 stars? Like the Ethos, it can be used as either a 2-inch or 1.25-inch eyepiece. When using hand driven alt-azimuth mounts this generous field will be appreciated. With the 20 mm I will then have 32, 20, 16 and 10 mm equivalents. Are these made by United Optical? . MSRP $350. Below shows the 100 degree Ethos alongside the 82 degree Nagler. Tight eye relief, a lot of field curvature, and edge-of-field brightening at f/10. The value for current overall gradeis the numerical value corresponding to your current overall letter grade. New from Stellarvue, ultra-wide eyepieces. Don, I know the FS size controls the AFOV, but I thought the F/L was inherent to the optical design? The ergonomics of them is quite nice to me, fit the hand very well allowing for a good grip on them. All of my scopes are on manual mounts, so I agree, the larger the AFOV the better. Please re-enable javascript to access full functionality. These are $65 or so.., Observing in Northern/Southern Michigan, USA, The NEAF Report from nPAE Precision Astro Engineering. Its barrel fits only 2-inch focusers and so requires more costly 2-inch filters. However, stars began to bloat 60 percent out from the center and were quite distorted at the edge. But what matters is who you buy it from, the specifications, customer service, reliability, and price (of course), when making your actual purchasing decision. It is just on the edge of being sensitive to what EP you can throw in the focuser and get good results. Theres a new alternative for the Celestron NexStar SE and NexStar Evolution series tripod a short, foldable tabletop tripod. #32 Times Higher Education Ranking. We all have different preferences for eyepieces. The only cons I've noticed is that they are big and heavy and change the balance point for my small scope+cheap mount and like any other optical system they have to cool down to ambient temp to get the best view (which takes a few minutes). Bottom Line: The best for optics but others provide more comfortable viewing. Back in my youth I worked for a company that "made" computer monitors and the OEM was required to make it to our specs, but others were not. $65 a piece is very cheapfor these eyepieces, so you did a very good deal there. This is an enthusiast's forum - these folks typically take good care of their stuff. They look very much alike the new TS UWANs, but with a special Stellarvue twist reminiscent of their 100 line. Good luck and clear skies! Introducing the new Stellarvue Ultra Wide Angle eyepiece series.This ultra wide field eyepiece has almost 3 times the area of a 50 degree eyepiece. Despite its modest price and sharp optics, I cant recommend it. Good correction comes with a price. Just teasing you, David. Edited by Alex Swartzinski, 05 March 2023 - 11:02 PM. Does anyone know anything about the new Stellarvue UWA's? Today, they report 4mm, 8mm, and 15mm and are $50 apiece less expensive, at $149 each. Field Stop: 13.6 mm Number of Lens Elements & Groups: 7 elements Special Features: Tapered insert tube Comes with Dust Caps? In WO livery the 4mm's a nice ep for those nights that support it. Once you look through eyepieces with 82 apparent fields, all lesser eyepieces give the impression of looking down a tunnel. 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. The attractive price makes it easier to collect the complete set of three, along with the 8mm and 4mm models. It is likely KUO like the WP Meade UWA, who also make the UWAN/PWA. A 100 degree field of view provides the user with almost 1.5 times the area of an 82 degree eyepiece. Thanks for any input if anyone is still watching here. There are also 60 degree eyepieces like the Starguider ED and Paradigms. Heres a low-cost zoom eyepiece that actually works well. Anyone know who makes the StellarVue Planetary eyepieces? 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. Pros: Great optics; wider field; comfortable eye relief and eyecup. Based on the 14mm SSW, I can recommended the series, though they are even more costly than Nagler Type 6s. Several functions may not work. But it is an excellent eyepiece, for $80 less than the Tele Vue Ethos. Notice how it's sharp in the center and as you get to the edge the stars grow tails? Posted by Steve Lightstone on 8th Aug 2020. Observing while seated is a much better experience. Edited by betacygni, 05 March 2023 - 10:45 AM. It looks very similar to the Stellarvue 82. Like twins separated at birth, Meades MWA (Mega Wide Angle) looks nearly identical to the Omegon Panorama2. ***Apparent Field of View measured in degrees. The eyepieces name comes from Wide-Angle Long-Eye-Relief and its Canadian designer Glen Speers. As for "triple testing" eyepieces, that I seriously doubt happens. Bottom Line: A superb eyepiece for 2-inch focusers. The Explore 100 comes a very close second to Tele Vue in sharpness, with stars sharp across 90 percent of the field and still well contained at the edge. The failure rate, resolution, sharpness, and other subtle differences were there. Well to be honest, United Optics products tend to be quite good, whether branded as WO or SV, or something else. Top-ranked German Universities in Munich. I've been looking at purchasing some additional eyepieces from those that came with my AD8 Apertura (9mm and 30mm). Good heft without being too heavy. Because they're Stellarvue! The contrast is good and the view is clear from edge to edge. Incredible clarity across the entire field of view. New from Stellarvue, ultra-wide eyepieces. #wo_online_image, #wo_offline_image { Cons: Soft off-axis star images. Cheers. 8 & 10 Ethos has a bit more light transmission, but this EP is a fraction of the cost , and well worth it! Eye relief is 15mm, a little longer than the Explore and Stellarvue competitors. Cons: Slightly soft off-axis performance. Pros: Very good optics and waterproof construction. Astronomy Clubs, Star Parties, Shows, & Conferences, Community Forum Software by IP.BoardLicensed to: Cloudy Nights. Building an set of eyepieces takes some time. I recently upgraded my 30mm that came with my Dob to a APM 30mm UFF and its a great EP. He sells a 4.9mm and a 6.1mm, I also have his 2.9mm which seems to have been dropped from the lineup. The Stellarvue Ultrawide eyepiece set includes three eyepieces: 4.0 mm 1.25" Ultrawide angle eyepiece with 82 degree apparent field of view(click here for specifications), 8.0 mm 1.25" Ultrawide angle eyepiece with 82 degreeapparent field of view (click here for specifications), 15.0 mm 1.25" Ultrawide angle eyepiece with 82 degreeapparent field of view(click here for specifications). 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. Pros: Solid construction with good eye relief. Build quality 2nd to none.., relatively light for it's size.., but most of all the view is spectacular, all the way out to that wide 100 degree FOV. The focal length choices seems a bit odd to me: 28mm, 16mm, 7mm and 4mm, but perhaps more focal lengths will fill in the gaps later. Not quite so easy a question. Add 1/8" if rolled up. Pinpoint stars to the edge, M27 is amazing in my 14" Dobsonian. The OEM can be contracted to make them to whatever specifications, exacting or not, that the "name on the product" requires. 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. Introducing the new Stellarvue Ultra Wide Angle eyepiece series. 100 degree eyepieces are quite amazing but they are also very large and can be quite heavy. The TeleVue eyepieces are very sharp across the field, the Astro-Tech eyepieces slightly less so but they provide essentially the same views, just not quite so perfect. 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. Its smaller, lighter, and cheaper than the bigger ASIAir Plus astrophoto computer, but is it as good? Eye relief is a good 16mm, much longer than the 10mm specified. Reducer Flatteners for other telescopes, Finderscope Eyepieces with Focusing Reticle, Barlows to double the power of your eyepieces, Stellarvue 15 mm Ultra Wide Angle 1.25" Eyepiece - EUW-15.0, Stellarvue 4 mm Ultra Wide Angle 1.25" Eyepiece - EUW-04.0, Stellarvue 8 mm Ultra Wide Angle 1.25" Eyepiece - EUW-08.0, Stellarvue Ultra Wide Angle Eyepiece Set - EUW-SET. Make no mistake, these are large and heavy eyepieces, with some requiring 2-inch focusers. Optical performance is also identical and excellent for the money. However, eyepiece preferences are very personal and you will find a lot of different opinions on this series and its individual focal length. 3. You will get more use out of middle and low magnification EP's now. Teasing me? What I dislike is decreasing the AFoV when increasing the magnification, the true field takes a double hit. In the AD8 . I don't use 2" eyepieces that much so I'm not interested in the 28mm, and for some reason the 7mm eyepieces that I have are rarely used. Nice detail of the moon and the cloud bands on Jupiter. If you're not sensitive to curvature perhaps give it a go but honestly if you have on hand a 2x and a 3x barlow just get the 15mm because then you'll have all three. The eye relief is comfortable but a bit tight at around 12mm. There are lots of OEM products floating around. Collecting EP's is a journey for sure in finding out what you really like. Stellarvue makes great scopes and youll love yours. Well, that was true until the Stellarvue 28mm / 82. Hmmm, looks like those four focal lengths are the only ones they make, at least for now. Now if you had a more expensive 30mm EP, that FOV will remain sharper to the edge. The amount of head tilt needed to see the edges of the field are less than other ~100 degree eyepieces, including Ethos, ES, and APM. Most suffer from variable plossl, svbony, SVBONY Zoom Eyepiece, Zoom eyepiece. That is unless it's purely coincidental that these appear to be the same as well-known OEM UWAs, and in fact Vic actually designed and manufactured every single one of them by hand using his automated CNC lathes, grinding and polishing equipment, and then triple tests them before shipping them to the user. Cons: Very aberrated off-axis star images; slightly less than 82 field. And the color-coded cosmetics of the SSW series are attractive, though somewhat moot in the dark under red light. Haven't noticed these before. It comes with a vinyl storage bag and the eyepiece is fully waterproof it can even be submerged for cleaning! HOW did the Stellarvue EPs work out???? A best buy. But yea I mainly like using EP's in the 70 - 82o FOV range. However, the Omegon and Meade both have apparent fields closer to 90 as I measured it. As objects get smaller, and magnification gets higher, I think I appreciate a view that is tightened up a bit. of Students: approx. The 100 eyepiece tripod. This is not recommended for shared computers. It is been known for a long time that the 7mm UWAN is closer to 8mm, so maybe the previously given field stop specifications have been misrepresented so that the focal length-FOV equation should add up on paper(?). That doesn't happen with 100 degree eyepieces. The A-T 28UWA/StellarVue 82 and APM 30UFF has already been mentioned in this thread. As good as these 82 eyepieces are, if your budget allows, you might want to consider an even wider 100 eyepiece. Bottom Line: Another fine ultra-wide eyepiece for the money. Even if they arent perfectly sharp to the absolute edge Im sure theyll be fine for most of the usable viewing range which should be good. I've spent a decent amount of time with an 82-degree eyepiece, but the extra field never seemed very immersive to me. But its the design and optical ease of a design that makes an eyepiece good for me. Thanks. Old thread, but thought I would ask here first just in case instead of starting something new Stellarvue is running a sale on a 3 piece set of their 82 degree eyepieces for $292 while ES 82's are on sale for $99 each. Tele Vues Type 6 Naglers are small, light and tack sharp across the field, even on fast f-ratio telescopes. Read Alan Dyers review of five 100-degree eyepieces, Tag List televue Celestron eyepieces ORION TELESCOPE meade Explore Scientific vixen optics stellarvue antares morpheus. Super crisp images to the edges. I knew they were re-branded. They are obviously not a redesigned barrel on the old ones. For a lighter, lower-cost alternative, and for 1.25-inch focusers, you might wish to consider an 82 eyepiece. The 28mm has a 2" barrel, the rest are 1.25". On my f/5 to f/6 test scopes, stars started to distort 50 percent out from the center and were quite bloated at the edge, the poorest optical performance of the group, but one thats commensurate with price. The result given here is non-binding, as this grade converter can only provide a general first estimation. Stars are sharp across all but the outer 10 to 15 percent of the field, so very close to Nagler performance. 15mm Stellarvue is identical to the 14mm ES 82, field curvature and all, as noted above. It's a great eyepiece. 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. Here is a good listing of who actually makes applianceshttp://www.appliancehase/make.shtml. You would recognize the names of the OEMs if I told you. I like short UWA's as I only use muscle drive mounts, and I don't have a UWA in 4mm. The tool will then calculate your grade in the German grading system. Edited by Neanderthal, 05 March 2023 - 09:40 AM. The A-T is darn close, but does give more magnification and FOV. Reducer Flatteners for other telescopes, Finderscope Eyepieces with Focusing Reticle, Barlows to double the power of your eyepieces, Stellarvue 9 mm 100-Degree 1.25/2" Optimus Eyepiece - EOP-09.0, Stellarvue 20 mm 100 Degree 2" Optimus Eyepiece - EOP-20.0, Stellarvue 3.6 mm 110-Degree 1.25/2" Optimus Eyepiece - EOP-03.6, Stellarvue 8 mm Ultra Wide Angle 1.25" Eyepiece - EUW-08.0, Stellarvue 4.7 mm 110-Degree 1.25/2" Optimus Eyepiece - EOP-04.7, Stellarvue 13.5 MM 100 Degree 1.25"/2" Optimus Eyepiece EOP 13.5. But the twist-up mechanism in one unit I tested (which I exchanged) was loose and rattled. How are the new Orion SkyQuest dobsonians? All in all, exactly what you'd expect from Stellarvue: A great product at a reasonable price. This is like binge watching 4 seasons of a great show with a total cliff-hanger at the end of season 4, only to have the network cancel the show. Very fast shipping and packaging. I test ZWOs new ASIAir Mini.

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