2024 Ethos 21mm

Ethos 21mm

Author: nzyv

August undefined, 2024

WebFeb 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. 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 …

Ethos 21mm vs. 17mm - Eyepieces - Cloudy Nights

WebAll the Ethos are fantastic. 21mm fast becoming my workhorse. Bells 1656 and 1367 at dark sky site were amazing. — J.M., TX This is the ultimate Ultra-Wide-Field eyepiece in a long focal length telescope. The view of the mid-sized DSO's like M13 or M17 is breathtaking! — S.S., Germany Awesome eyepiece! — J.M., MI Wonderful eyepiece! … reservations thunderbird lodge grand canyon

Apertura 8" Dob - best eyepieces for viewing different objects?

WebNov 26, 2015 · Both are great eyepieces and offer virtually identical FOV. Finally, I decided to stick with the 21 Ethos. It offers a slightly smaller exit pupil, which gives a darker … WebTeleVue 21mm Ethos Eyepiece $894.00 Add to cart Free Shipping Printable Version Bestsellers 1 / 2 More Details TeleVue 13mm Ethos Eyepiece In Stock $658.00 More Details TeleVue 8mm Ethos Eyepiece In Stock $618.00 More Details TeleVue 6mm Ethos Eyepiece In Stock $618.00 More Details TeleVue 10mm Ethos Eyepiece In Stock … WebJan 4, 2024 · Posted 09 February 2024 - 05:51 PM. I'm again considering a 100 o +/-, 20mm/21mm eyepiece. I tried a 17mm Ethos a while back and due to the shorter eye … reservations to cedaw by country

Tele Vue Optics: More 100-Degree-Eyepiece Choices

ES25mm 100° or ETHOS 21mm for a C14edge? - Cloudy Nights

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 … reservations tipsJan 24, 2024 · reservations timothy lake

"WebAug 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 ... " - Ethos 21mm

Ethos 21mm

WebJan 15, 2024 · The TeleVue Ethos is in 21mm, 17mm, 13mm, 10mm, 8mm, 6mm, 4.7mm, 3.7mm The APMs and Stellarvue are identical optically. The TeleVues have the best edge of field correction and cost a lot more than the others. The APMs/Stellarvues are very close in correction to the TeleVues. Last edited by Don Pensack; 17-01-2024 at 08:44 AM. # 9 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.

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http://alpha-lyrae.co.uk/2014/02/26/televue-ethos-21mm-review/ 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

WebNov 6, 2024 · I'm seeing the Ethos 21mm is on "sale" for $854. That's more than twice as much as any of my other ep's, which I already consider expensive. However... My Pentax 30mm XW I like in general, except it seems that the wide exit pupil really shows my astigmatism as an annoying inability to focus to pinpoint. WebSep 19, 2024 · Ethos: 21mm, 17mm, 13mm, 10mm, 8mm, 6mm, 4.7mm, 3.7mm Where the ES 82° eyepieces are patterned more on the Naglers: 30mm, 24mm, 18mm, 14mm, 11mm, 8.8mm, 6.7mm, 4.7mm 14mm to 8.8mm is a 58% jump so a focal length was needed in the middle. Naglers: 31mm, 22mm, 16mm, 13mm, (11mm), 9mm, 7mm, 5mm, 3.5mm, (2.5mm)

WebDec 29, 2024 · The 21mm's effective field stop diameter is 36.2mm, bringing its true field close to the 35mm Panoptic (38.7mm Field Stop diameter). Its true field is also larger than the 26mm Nagler with its … WebQuantity. Add to cart. Maximize your "spacewalk" experience with the 21mm Ethos. Transform your passage through the Milky Way with the 21mm’s nexus of contrast, …

WebBuy 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, …

WebThe 21mm Ethos features an incredible 100 degree apparent and is an ideal low power eyepiece for fast Newtonian optical systems. The newest and largest of the TeleVue … reservations thriftyWebDESCRIPTION. ADDITIONAL INFORMATION. MANUALS / DOWNLOADS. Maximize your "spacewalk" experience with the 21mm Ethos. Transform your passage through the … prosthenorchisWebMay 18, 2024 · The 21mm Ethos is a spectacularly performing eyepiece. I hear the 25mm ES not quit as much only because ES really stretched the limit of that design. havasman likes this #3 Spartinix Apollo Posts: 1,003 Joined: 25 Apr 2024 Loc: Crete, Greece Posted 27 April 2024 - 04:41 PM Well optically the TVE21 is best. prosthenorchis elegansWebEthos. “You've got very innovative engineers always managing to break the laws of optics. This Ethos is out of this world!”. The 21mm focal length … reservations to cedawWebThe 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. prostheses 意味WebJul 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. ... reservations to cadillac mountainWebFeb 26, 2014 · The 21mm Ethos is truly the crown jewel in the wide-field eyepiece universe delivering an experience beyond any other wide-field design I have used but it is very heavy which can cause some balance issues, and then there is the small matter of the cost. prostheses list management system login