Don't know if this means that that the actual focal lengths are different? Stellarvue EOP-09.0 My bad experience with the 14 Meade put a bad taste in my mouth so I stuck to the big series 4000 version, and never gave the 5000s and axiom LX much thought even when I had access to try them whenever I wanted . Grade Conversion using the Bavarian Formula. Field stops are different. This my first refractor, my first telescope with quality optics, my first telescope with a wide field of view, and my first telescope with a decent focuser (among other firsts) so I am very excited and anxious to get my hands on it. The A-T is darn close, but does give more magnification and FOV. Below shows the 100 degree Ethos alongside the 82 degree Nagler. 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. And the 31 was the same as the 30uwa/82, but obviously marketed as a 31 nagler alternative. Its smaller, lighter, and cheaper than the bigger ASIAir Plus astrophoto computer, but is it as good? I tried them out on the SV60, several other small refractors and with a friend's TOA-130. }. Enter the maximum grade, the minimum passing grade, and your current overall grade in the grading system of your university. Like the Ethos, it can be used as either a 2-inch or 1.25-inch eyepiece. The 102 degree Nikon HWs are another good example. 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. New from Stellarvue, ultra-wide eyepieces. Ive never been a fan of zoom eyepieces. New from Stellarvue, ultra-wide eyepieces. (1) it seems that for observer favorite FOV is defined by nature of human eye: 120-140 deg. any limitations are just limitations and can not be named "favorite", (2) acceptable (not a favorite) eyepiece AFOV depends from nature of observing object. Have fun experimenting! It is Bavaria's largest city and the third largest city in Germany (after Berlin and Hamburg). 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. Especially comparing them to the ES line. I strongly recommend both the 20 mm and 9 mm Optimus. Returned it. The only downside is that it's a bit bulky. Call us at: 530 823 7796 Open Mon-Fri 9-5 Pacific Time, 4.0 mm 1.25" Ultrawide angle eyepiece with 82 degree apparent field of view(, 1.25" Ultrawide angle eyepiece with 82 degree, Our EUW eyepieces are now loaded into AstronomyTools database and application. I figured out my preferred fov and eye relief by purchasing used eyepieces here on CN. They make a good addition to the Stellaruve brandedplanetary eyepieces he has already been selling. Edited by jrbarnett, 08 October 2014 - 02:40 PM. He (or his expertly trained staff)machines optical tubes and adapters, polishes lenses, fabricates altazmounts, and yes his triple testing of his refractorsis now legendary! I think they are made by the same company that made other brands, Orion, Zhumell, SmartAstronomy, et al. It comes with a pouch with a belt clip. I've used them at outreach events and the nice eye relief and the wide viewport really help the public get a good view, especially the little ones that often struggle to find the image. Tele Vues Type 6 Naglers are small, light and tack sharp across the field, even on fast f-ratio telescopes. Ive never been a fan of zoom eyepieces. 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). Widest range of top-quality eyepieces, from 3.5mm to 31mm Known for having flat fields and high contrast as well as great clarity Backed by Tele Vue's excellent quality control Explore Scientific 82 Degree Eyepieces Comments All focal lengths are waterproof/argon purged Excellent apparent field of view at 82-degrees This is a recommended complete set of eyepieces for use with any Stellarvue telescope from the SV70T to the SV152 Flagship! Also, I view with eyeglasses because of my severe astigmatism. 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. Your scope is a f5.9. 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. Despite its modest price and sharp optics, I cant recommend it. Introducing the new Stellarvue Ultra Wide Angle eyepiece series. The eye relief is comfortable but a bit tight at around 12mm. This 2 inch eyepiece is our widest field in the 82 degree range. I think the common view is that they are in the ES class performance wise. 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 is why some wide field EP's cost more, some, a lot more. Click here to simulate the field of view. 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. And there are some very good options.. For wide field eyepieces, TeleVue introduced nearly all the modern designs starting with the first Nagler more than 40 years ago. They made their own products as well. 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.
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