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Ethos 21mm

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. WebExcerpts from SkyNews Review of 21mm Ethos. In my 12.5-inch f/4.8 PortaBall reflector, the 21mm Ethos provides a magnification of 72x and a stunning 1.4-degree field of view. …

Wide angle limitations in TeleVue 85? - Refractors

WebEthos. “Absolutely amazing contrast. This eyepiece takes visual observing to the next dimension.”. We have not specifically endorsed the 13mm Ethos for Bino-Vue use because of the large diameter barrel. Even so, we were … 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 … twill military uniform https://shopbamboopanda.com

TeleVue 21mm ETHOS Eyepiece - Buy Telescopes

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! … WebMay 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. WebOct 28, 2009 · Maximize your "spacewalk" experience with the 21mm Ethos. Transform your passage through the Milky Way with the 21mm's nexus of contrast, power and field. … twill name bars

Tele Vue Optics: Ethos

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

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Ethos 21mm

21mm Tele Vue Ethos Eyepiece Telescope.com: Tele Vue

WebAug 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 … WebDESCRIPTION. ADDITIONAL INFORMATION. MANUALS / DOWNLOADS. Maximize your "spacewalk" experience with the 21mm Ethos. Transform your passage through the …

Ethos 21mm

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http://alpha-lyrae.co.uk/2014/02/26/televue-ethos-21mm-review/ Jan 24, 2024 ·

WebFeb 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. 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

WebFeb 7, 2024 · The 21mm Ethos has a field stop of 36.2mm. To know the true field, divide the field stop size by the focal length and then multiply the result by 57.3. In this case, the true field would be 4.19 degrees. 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, …

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. twill moto coat avec les fillesWebEthos. “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 … twill midigram midi melody collection vol 2WebSep 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 … twill nedir