Ethos 17mm

Author: tqem

August undefined, 2024

WebJun 24, 2009 · Page 2 of 2 - pupil aberrations and the Delos 17.3 - posted in Eyepieces: Greg: Thanks for the photographs. I had not seen them before. It is a most impressive eyepiece. Bill Well, its a Zeiss, and word is they know something about eyepieces. But whether it is impressive, I dont know, it has an odd look. And of course it cost a pretty … WebOct 17, 2024 · The new 17mm TeleVue Ethos 100° field eyepiece is designed for no-holds-barred medium power deep space use with telescopes having focal ratios down to f/4. It is exceptionally effective on …

Tele Vue 17 mm Ethos 2" Eyepiece with Free Case

WebApr 7, 2024 · The 21mm and 17mm Ethos eyepieces are 2” only. Even though they have short focal lengths, these eyepieces have a field of view similar to that of a typical “SWA” or Nagler eyepiece with a focal length of 30mm or more, but the field of view is wider and more immersive at higher magnification. Jan 24, 2024 · cheap buckskin horses for sale

Webster F3 24" - Reflectors - Cloudy Nights

WebJul 16, 2006 · 17mm Ethos - Eyepieces - Cloudy Nights Cloudy Nights → Equipment Discussions → Eyepieces CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not … WebEthos Carry Bag Specification Tables Telescopes Eyepieces Mounts Visual / Imaging Tables Powermate imaging Barlow imaging Big/Paracorr T-2 visual Imaging System Copyright © 2003-2024 Tele Vue Optics, Inc., 32 Elkay Dr, Chester, NY, 10918 · Call for advice: 1-845-469-4551 (9am-5pm ET) · TeleVue.com · WebJun 17, 2003 · Tele Vue 17mm Ethos 2" Eyepiece Brand: Tele Vue 6 ratings $85860 Buy it with + Total price: Add both to Cart One of these items ships sooner than the other. … cheap bucks county wedding venues

Focus issues with Ethos? - Eyepieces - Cloudy Nights

WebJun 24, 2009 · "The Delos was conceived as a narrower field Ethos. Reducing the field to 72° allowed freedom to increase eye-relief, while controlling pupil aberrations, all without making the eyepiece too large. ... I used a 17mm Ethos the other night and had the same experience as with teh Nagler 17, that is, if I got my eye to the position where there was ... WebDec 12, 2010 · My Ethos 21mm would would have an exit pupil of 5.99. I would be limited to Ethos 17mm for matching my pupil dilation and typically limited to 7mm or longer do to typical seeing. If the exit pupil is a little larger than your own pupil it really is no big deal at all. No reason that I can see to avoid using the 21 mm Ethos on such a scope. cutest flower in the worldWebWith its exceptional 100° field of view, the Tele Vue Ethos 17mm Ultra Wide-Angle Eyepiece offers a comfortable eye relief with high contrast, … cheap buckles

"WebJul 18, 2024 · Wherever the focal plane of your scope is (and I cannot know from afar), the 21mm and 17mm Ethos (both 2") move in 9.65mm from that to achieve focus. The 13mm Ethos, however, must move out 7.6mm from the focal plane to achieve focus as a 2" eyepiece (ditto for the 10mm, 4.7mm and 3.7mm). That means the 21mm and 13mm … " - Ethos 17mm

Ethos 17mm

Tele Vue 17mm Ethos Eyepiece - 2" OPT Telescopes

WebEthos Carry Bag Specification Tables Telescopes Eyepieces Mounts Visual / Imaging Tables Powermate imaging Barlow imaging Big/Paracorr T-2 visual Imaging System Copyright © 2003-2024 Tele Vue Optics, Inc., 32 Elkay Dr, Chester, NY, 10918 · Call for advice: 1-845-469-4551 (9am-5pm ET) · TeleVue.com · WebJan 4, 2024 · I know from my recently added 12mm ES92 that I enjoy the wide field. I suspect that my problems with the earlier very short 17mm Ethos trial was from a combination of no experience with 100-degree eyepieces (and no real knowledge on what to expect), and not being used to 15mm eye relief.

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WebFirst Look: The Tele Vue 17mm Ethos - Eyepiece Reports - Articles - Articles - Cloudy Nights; 人気のクリスマスアイテムがいっぱい！ Tele Vue 40mm Plossl 1.25インチ接眼レンズ charnockbates.co.uk; テレビュー・イーソス; TeleVue テレビュー Ethos 6mm (100°) イーソスアイピース｜PayPayフリマ WebEthos Carry Bag Specification Tables Telescopes Eyepieces Mounts Visual / Imaging Tables Powermate imaging Barlow imaging Big/Paracorr T-2 visual Imaging System …

WebOct 2, 2024 · Televue Ethos 17mm 1.25"/1" Eyepiece 7. Televue Ethos 8mm 1.25"/1" Eyepiece So, that gives me 8mm, 13mm, 17mm, 32mm, and a 8-24mm zoom (and each halved with the Powermate). Questions I … WebAug 1, 2010 · The reviews of the 17mm NAV-HW have been positive, but the 17 Ethos is no slouch either. Seems though the edge is always given to the Nikon. I don't recall seeing anywhere in the threads that anyone, after doing a direct comparison, decided to sell the Nikon and keep the Ethos.

WebAug 29, 2024 · I think the 17mm is an excellent EP in all of my scopes, and am going to see how the 12mm compares with the 13mm Ethos. The weather should be clearing up next week when the 12mm arrives on Wed The 17mm is a heavy EP, and the 12mm at 38oz is nearly double the weight of the 21oz 13mm Ethos. WebThe 10mm is parfocal with the 13mm ETHOS. Its 59mm rubber grip diameter makes this model usable in binocular viewers — for most people. Related Links • Cleaning …

WebApr 8, 2007 · The 17mm Nagler on the other hand produced less contrast, (brighter sky background) but brighter images due to its larger exit pupil, BUT with longer eye relief giving it a more modern, relaxed feel.

WebAug 23, 2015 · The views are nice but I do prefer the ones of the 17mm Ethos by far! The Ethos are giving 2.0° at 50x with 3.0mm exit pupil. These are my favorite eyepieces in the 150mm followed by the 13mm Ethos. 5.7mm exit pupil do need really dark skies to work. The 35mm or 41mm Panoptic's will be even worse in this manner ... cutest football playerWebJan 27, 2024 · The 17mm ETHOS is an ideal complement to the 31mm Nagler Type-5. They are parfocal and the 31mm Nagler Type-5 has exactly twice the true field area. It is parfocal with the same eyepieces as the 6mm and 8mm Ethos eyepieces. cutest food names dogsWebMay 10, 2024 · The 17mm Ethos is a little over 105x and I rarely use less magnification. I sold the 21mm Ethos and kept the 31mm Nagler for … cheap buckwheat flourWebJan 8, 2007 · I've very recently picked up a pre-owned 17mm Ethos. I already have the 6mm, 8mm, 13mm and 21mm in the range plus the 31mm Nagler. I've only used the 17mm once so it's early days but it seemed just as good as the others. I was surprised that it seemed very close to the same size and weight as the 13mm. cheap bucks game ticketsWebOct 20, 2010 · 31 mm Nagler Type 5 (L) pictured with the 8mm, 13 mm, and 17 mm Ethos eyepieces The 13 mm Ethos is an imposing eyepiece. Its aspect ratio, like the other Ethos units, is long and thin, unlike the short … cutest food namesWebMay 2, 2012 · I have the 20 mm ES 100 degree, I have looked through the 21 mm Ethos.. As much as I'd like the Ethos, I just can't bring myself to spend that much on one eyepiece.. Jon. Jeff Morgan, ... and I recently added a 17mm ES 92 after some fierce internal debate over whether it should be a 17mm Nagler Type 4 instead. I can't really say if it was the ... cutest football players 2021WebTele Vue 17mm Ethos Eyepiece Specifications: Focal Length: 17 mm Barrel Size: 2" Apparent FOV: 100° Eye Relief: 15 mm Field Stop: 29.6 mm Weight: 1.55 lb … cutest footballer