WebExplore Scientific ° Series 3" 30mm Waterproof Eyepiece. Explore Scientific. $ WebMar 25, · The APM HDC-XWA 7mm, degree X-treme eyepiece, installed on a small, rich-field mm, f/4 Newtonian telescope. All images: Steve Ringwood. T he . WebExplore Scientific ° Series mm Waterproof Eyepiece. Explore Scientific. Sold out. $
The new, extreme wideangle eyepieces by APM-Telescopes with gigantic ° field of view. With its multicoated lenses it offers a brilliant contrast for. By: Vlad Fedosov. Intro: When I got started in amateur astronomy in the late '90s the TeleVue Nagler line of eyepieces was the thing of dreams. Reviews & ratings: Explore Scientific Degree Series 20mm Nitrogen-Purged Waterproof Eyepiece, Fully Multi-coated, 2" Barrel MFR: EPWP Each ° Series Argon-Purged Waterproof eyepiece is internally sealed and purged with inert, dry argon gas. This also maximizes the life of the internal. First eyepieces are all about the view you achieve from them. In that case this 20mm degree gets a 5 star rating. Stars are sharp all the way to the edge. The Explore Scientific degrees series eyepieces are hyper-wide class oculars that can transform your visual astronomy experience. You may be startled at the. Model # ETH Focal Length (mm) 13 Barrel Size (in.) 2" & 1¼" Apparent Field of View (deg.) Eye Relief (mm) 15 Weight (lb / oz) / Field.
WebMay 13, · Prior to buying any new eyepieces for the dob I had a wish list of eyepieces. Remaining on the list now are the 13mm ( Degree) and 5mm ( Degree) Lunt/APC. I also had an ES82 30mm on there although I might even push the boat out with a Nagler 31mm. So that pretty much fits with the recommendations. WebMar 23, · 2, 1, Location: NE Scotland. Posted March 17, (edited) Finally received these 20mm/13mm/9mm APM/Lunt XWA degree beauties after a major revamp of my eyepiece collection. The XWAs should be excellent in both my dobs, but particularly for watching DSOs float past in my undriven p flextube. I think at last I . WebMay 12, · Had internal baffling been more aggressive, and the FOV reduced to, say, 90 degrees, this eyepiece could easily have earned a better review. After this eyepiece came out 10 years ago, ES released their 92° eyepieces, which were a fairly significant improvement. Bottom line: the 25mm is a "bridge too far" in ° design. WebExplore Scientific Degree Waterproof Telescope Eyepieces $ - $ Explore Scientific Degree Eyepieces are available in mm, 9mm, 14mm, 20mm, 25mm, and 30mm focal lengths degree Apparent Field of View Waterproof construction Unlimited Lifetime, Transferable Warranty Email Friend Specs Design Ultrawide . WebProduct Description This new, All-In-One design marries high quality components of a telecentric barlow, adapters, snouts and DayStar hydrogen alpha filter into one simple assembly. Through design efficiency and optimization, now users can enjoy the known high quality optics of DayStar* at an affordable price. WebDescription Highlights 25mm focal length for medium-low magnification viewing 19mm eye relief works well even when using eyeglasses 60 degree apparent field of view provides a wider view than the traditional Plössl design Six element design provides a very wide field of view with pinpoint edge performance and excellent color correction.
WebJul 1, · To find the actual distance of one parsec we may use the formula above. d = 92,, miles / tan (1/ degrees) = 19,,,, mi * 1LY/ trillion miles = LY. The closest star to Earth is Proxima Centauri and has a parallax angle of arcsecs (the smaller the parallax angle the farther the star — a smaller shift. WebJul 28, · Lab Microscope Slides " Wide Angle 62 Degree Lens 4mm Aspheric Eyepiece for Astronomy Monocular Telescope Eyepiece Microscope Parts: city-krymsk.ru: Electronics. WebThe 2" diameter barrel °-Series 20mm Eyepiece from Explore Scientific is an ultra-wide field telescope eyepiece designed for planetary and deep-space observations. Its wide exit pupil makes this eyepiece ideal for comfortable viewing for extended periods. WebJun 16, · That set looks appears to be the same as the William Optics and TS-Optics set of / degree eyepieces. TS-Optics also had a set of degree eyepieces, the TS-SWAs that came in 5mm, 10mm, 15mm and 21mm that are probably of the same origin as the Meade MWAs. WebHi folks, Up for sale is my ES 14mm Degree eyepiece in excellent condition. It comes with the original Caps,Magnetic ES constellation box and pouch. This was one of the first Argon purged units from when ES first switched from Nitrogen Purged to Argon. WebMay 3, · Meade Instruments Eyepiece, Degree, MWA 21MM, 2-Inch › Customer reviews Customer reviews out of 5 72 global ratings Meade Instruments Eyepiece, Degree, MWA 21MM, 2-Inch (Black/Green) by Meade Instruments Size: 21mm - 2" Change Write a review How customer reviews and ratings work Top .
OPTICAL SPECIFICATIONS. Focal length, 30 mm. Apparent field of view, degrees. GENERAL TECHNICAL DATA. Waterproof, ✓. Eyepiece Barrel Diameter, mm. Explore Scientific 9mm Degree Eyepiece Review Comfort, Quality, Value. The Explore Scientific ° Series (Specs Focal Length 9mm; Barrel Size ";. EYEPIECE FEATURES · Hyper-wide-angle degree Apparent Field Of View · Premium grade optical glass · All surfaces fully multicoated for maximum light. WebJul 27, · Claimed to be degrees with an actual angular field of view of just 84 degrees! The audacity of Meade is amazing. Even the effective field of view (across the aperture) is only 90 degrees. That is, it is never a competitor to the 25 mm degree from Explore Scientific. WebMar 5, · Page 1 of 2 - Explore Scientific 25mm degree eyepiece - posted in Discussion of CN Articles, Reviews, and Reports: Explore Scientific 25mm degree eyepiece By Richard Lines. WebDec 5, · Page 2 of 2 - APM degrees eyepiece (anyone used one) - posted in Eyepieces: Yes, I am using already Ethos eyepieces in a binocular telescope, they give a breathtaking view. It is to some extend like directly looking into the sky, no limitting field stop. With binoviewer I think you would get the same effect of not seeing field stop with 80 . WebAug 11, · Tele Vue Ethos Degree Eyepieces. Comments Highly corrected across the entire / degree field of view on all scopes Excellent contrast, clarity Images are brighter than other Tele Vue eyepieces 15mm of eye relief on these eyepieces is good given their amazingly wide field of view.
WebIncredibly large field of view of ° Fully multi-coated lenses for excellent light transmission Effective reduced chromatic aberration Excellent contrast Lens edges and inner spacer elements completely blackened Stray light and ghosting have been eliminated Body completely black anodized with high scratch resistance. WebMar 1, · ️ Best Feature: degree AFOV Worst Feature: Price 👌 Ideal For: Low Focal Ratio Telescopes, High Magnification, Super Wide FOV, Planets, DSO, Intermediates, Experts Barrel Size: 2” Apparent Field of View: degrees Focal Length: 13mm Eye Relief: 15 mm Field Stop Diameter: mm city-krymsk.ru Price Check Amazon Price. WebMar 23, · Followers 1 Ships and Stars Members 2, 1, Location: NE Scotland Posted March 17, (edited) Finally received these 20mm/13mm/9mm APM/Lunt XWA degree beauties after a major revamp of my eyepiece collection. The XWAs should be excellent in both my dobs, but particularly for watching DSOs float past in my undriven . About the Explore Scientific 9mm Degree Series Waterproof Telescope Eyepiece - 2" The Explore Scientific Degree Series Telescope Eyepieces are. ° & ° Apparent Field Eyepieces. Tele Vue is known for its in-house eyepiece and telescope designs by Al Nagler; our latest eyepieces brings new meaning to. degree eyepieces - panoramic view with high-quality imageOmegon degree eyepieces give you a huge field of view, with sharp stars right out to the.
WebSep 26, · – Field of view: ° – Focal Length: 7mm – Number of optical elements: 8 – Weight: 17 oz. Astro-Tech 9mm ″ XWA Eyepiece – Barrel Size: ″ and 2″ (The eyepiece comes with a 2″ collar that is removable exposing a ″ barrel.) – Eye Relief: 13mm – Field of view: ° – Focal Length: 9mm – Number of optical elements: 9 – . WebJun 16, · I have nothing against degree eyepieces, in fact a 17 HW is on my to-buy list. The OP's thread title is "Why degrees?" My replies are "marketing" in a nutshell. People always want bigger and better. degrees are muscle eyepieces, the largest AFOV ranges. bhp motors, mph speed, is eyecatch money-bait. WebApr 7, · The degree and degree apparent field of the shorter Ethos eyepieces make them really handy in telescopes without tracking, such as Dobsonians, by keeping your target in the field of view longer, as well as being extremely immersive when viewing the Moon and some large, bright deep-sky objects like the Orion Nebula. The massive Tele Vue 21mm Ethos eyepiece is the longest focal length available in the company's degree-field-of-view eyepiece series. The massive Tele Vue 21mm Ethos eyepiece is the longest focal length available in the company's degree-field-of-view eyepiece series. Explore Scientific 20mm deg Series Nitrogen-Purged Waterproof Eyepiece; EMD Coatings; 2" Weighs ozs. Quantity: 1. WebAn eyepiece, or ocular lens, is a type of lens that is attached to a variety of optical devices such as telescopes and microscopes. It is named because it is usually the lens that is closest to the eye when someone looks through the device. The objective lens or mirror collects light and brings it to focus creating an image. WebThis is the 22 mm focal length Nagler design eyepiece from Tele Vue, with the 82° apparent field of view, and amazing optical quality you expect from Tele Vue. When designing the Naglers, the aim was to approach the wide angle perspective of naked eye vision, while maintaining the highest degree of sharpness, contrast, and viewing comfort. Web2 days ago · % positive feedback Save seller Contact seller See other items Explore Scientific 2", 68 degree, 28mm eyepiece Condition: Used “Very Nice Condition” Price: US $ No Interest if paid in full in 6 mo on $99+* Buy It Now Add to cart Add to watchlist Fast and reliable. Ships from United States. Shipping.
WebMar 25, · The APM HDC-XWA 7mm, degree X-treme eyepiece, installed on a small, rich-field mm, f/4 Newtonian telescope. All images: Steve Ringwood. T he . WebExplore Scientific ° Series mm Waterproof Eyepiece. Explore Scientific. Sold out. $ WebTele Vue recently announced the addition of a 21mm model to its lineup of degree Ethos eyepieces and sent one to SkyNews for review. As with all other focal lengths in . WebJan 13, · Page 1 of 3 - Lunt XWA - First Experience with º Eyepieces - posted in Eyepieces: I recently picked up the 20mm and 9mm Lunt XWA º eyepieces. The 9mm degree also proved easy to use in my un-driven Dob for deep sky observing. To check if I was really seeing the field edge when looking at the center, I placed a rather . WebJan 31, · Page 1 of 2 - 20mm Degree Explore Scientific Question - posted in Eyepieces: The 20mm Degree ES eyepiece is truly awesome as far as what you can pull in all at once. For instance, I can get the entire double cluster quite comfortably using a Z12 Dob. Using with a Paracorr Type 1 it is pretty clean to the edge. One little thing that . WebJul 3, · All the degree eyepieces I've used seem to offer slight improvements in performance terms (not just the FoV) over the 82 degree eyepieces from the same brand. When a degree range comes along that is consistently better than the Ethos then I'll think about changing. Meanwhile .. Edited June 22, by John. Huge 95//degree apparent field (depending on focal length); Some focal lengths sharp even in super-fast f/3 instruments; Argon/nitrogen purging prevents. Extreme wide-angle eyepiece with best possible correction field geometry and colour city-krymsk.ru massive eyepiece body has a high-quality anodised finish. Featuring a staggering degree apparent field of view Meade Series Xtreme Wide Angle Eyepiece uses 9 optical elements to achieve a high contrast image. Explore Scientific degree argon purged Eyepiece 25mm for wide fields in telescopes equipped to take 2 inch eyepieces.