Ethos 21mm
WebThe field area of this new eyepiece is more than 50% larger than an 82° field. The TeleVue Ethos is essentially multiple eyepieces, delivering the true field size of a longer focal length, narrower apparent field eyepiece … WebThe 30mm is excellent for deep sky viewing - nebulae, galaxies, and star clusters, while the 9mm will be better for the moon and planets. You probably don't need the extension tube, unless you have a low-profile focuser. If so, then you may need it to reach focus.
Ethos 21mm
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WebOct 20, 2010 · The 8 mm Ethos ($585) The 8 mm Ethos threw up fantastic views of Jupiter in the Oak Classic. During times of steady seeing, the image was crisp and solid. I could have easily been fooled into thinking … WebMay 10, 2024 · The jump from 21mm to 13mm is pretty natural in my opinion (I go 24mm to 13mm). The Ethos are in a way two sets of three: 21-13-8 and 17-10-6. The 21mm would complement your Ethos 13mm, the 17mm your 10mm and 6mm Delos. Edited by stevenrjanssens, 24 June 2024 - 03:57 AM. areyoukiddingme, havasman and RickM. like …
WebDec 23, 2024 · The 20mm XWA is under $300, the 21mm Ethos is $900. I have the Ethos but would like to try the XWA, it is 2/3's the weight of the Ethos and more compact. The 20 mm XWA is a little sharper in the centre then the 21 mm Ethos, might be more noticeable under a dark sky. I do find myself using the 30mm UFF more however if I was to choose … WebWith its exceptional apparent angle of view, the Tele Vue Ethos 21mm Eyepiece offers a comfortable eye-relief with high contrast and excellent …
WebThe Tele Vue Ethos is essentially multiple eyepieces, delivering the true field size of a longer focal length, narrower apparent field eyepiece with the benefits of higher power and darker sky background. The 21mm focal length completes the logical set of 21mm/13mm/8mm and nicely juxtaposes the 17mm/10mm/6mm combination. WebMar 23, 2024 · The 21 mm Ethos is 75.5 mm in diameter, has a 36.2 mm field stop and requires a 2 inch Focuser.. They're also $850 each.. There are people with ipds as large as 75 mm but very few. Jon #3 ArsMachina Surveyor 1 Posts: 1,534 Joined: 05 Jan 2012 Loc: Germany Posted 05 November 2024 - 10:07 AM
WebThe Tele Vue Ethos is essentially multiple eyepieces, delivering the true field size of a longer focal length, narrower apparent field eyepiece with the benefits of higher power …
WebSep 29, 2011 · The 21mm Ethos is an imposing eyepiece, one of the largest to come out of Tele Vue, but it does have a bevelled safety undercut built into the barrel, so it’s less likely to slip out. Optically, we evaluated … dsra architectureWebFeb 20, 2012 · There are several measurement reported by several guys, but it is easy to make relative comparisons and you will see that the ethos transmission is very close to the radian transmission if not better. (about 93%). The x2 PM should be close to 97 or 98% The ethos has even a flatter transmission response i.e. whither colors. dsr advisory no. 01/2019 dated 01.11.2019WebAug 30, 2024 · The 22mm has TeleVue's unique "Instadjust" click-stop adjustable-height eyeguard, with a soft fold-down rubber eyecup. With the eyeguard retracted all the way, all of its very long 19mm eye relief is available for eyeglass use. The eyeguard can be raised in small and repeatable increments to position the eye of the non-eyeglass wearer the ... dsra boat racingWebJul 30, 2024 · Sharpness across the field came very close to matching the best. I did not have a Tele Vue 21mm Ethos to compare the XWA to, but I did do A-B tests against a 17mm Ethos. I used them on a 94mm f/5.5 Sharpstar apo refractor, a 105mm f/6 Astro-Physics apo refractor, and a Sky-Watcher 8-inch f/6 Newtonian reflector telescope. ... dsr affect cpuWebAug 29, 2024 · It does not get as much use as the Ethos 21 does because the latter is a more effective deep sky tool under my skies. I've had quite a few nights with my 12 inch dobsonian when the 21mm Ethos is the only eyepiece that I've used. I can't comment on the ES 25mm 100 because I've not used one. Edited by John Huntley, 28 February 2024 … dsra in cash waterfallWebThe 21mm focal length completes the logical set of 21mm/13mm/8mm and nicely juxtaposes the 17mm/10mm/6mm combination within the Ethos Series. Each step within … ds racing kettonWebBuy Tele Vue Ethos 10mm Ultra Wide-Angle Eyepiece (1.25"/2.0") featuring 10mm Focal Length, Wide 100° Field of View, 1.25 and 2" Diameter Barrel, Fully Multi-Coated Optics, … ds racing drift