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68 Degree Eyepiece Family
Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatings, Explore Scientific 68° Series Argon-Purged Waterproof extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics. The visual effect of these eyepieces with their long eye-relief and their 68° apparent field is truly a full-immersion experience. The 68° Series eyepieces are parfocal (meaning they focus at near the same point regardless of the focal length you select) and come with a removable and foldable soft silicone rubber eyecup for the comfort of the observer, and as experienced astronomers know, eye comfort is critical when trying to observe at the visual limits of the telescope.
About Us
Based out of Springdale, Arkansas, Explore Scientific is an optics company committed to designing, building, and selling high-quality observation instruments and accessories for all skill levels.
Stephen K.
Reviewed in the United States on June 8, 2023
Great eyepiece, got it as part of the NEAF conference sale. Good build quality, wide view and lightweight, will not cause balance issues like some heavy 2" eyepieces.
Kindle Customer
Reviewed in the United States on June 15, 2023
I use this in my 10 " dob. Fine performance and the field of view and magnification is in the sweet spot to find deep sky objects. A little pricey but worth it, especially if you can get it on sale at Amazon as I did.
Rick MacDonald
Reviewed in the United States on April 30, 2023
High quality product, performs great! Amazing value at this discounted price!
R. Kosh
Reviewed in the United States on April 2, 2023
I'm using this primarily with an 8-inch Newtonian. It has a nice field of view without having to spend a huge amount of money. I get clear, sharp views throughout the field of view--it almost seems like I am floating in space. I'm using it primarily for viewing DSOs, but it is excellent for initially viewing planets before switching to a shorter focal length eyepiece. I'm now considering a 40 mm as well.
Michael Goldstein
Reviewed in the United States on September 20, 2022
I own a 9.25" SCT and was looking for the widest field view I could get. When used "successfully" this eyepiece (68 degree view, 40mm) offers a fabulous view. But it takes some taking used to. I found when trying to align my telescope it was actually harder to use than the plossl that came with the scope: unless I got my eye precisely over the center, I would see "kidney bean" shaped pieces of the view. Also, beware that you can't use this in combination with the f6.3 focal reducer as the focal length is too long, and apparently brings the secondary mirror assembly into view. Had I known this, I think I would have purchased the 34mm eyepiece instead (Celestron says the max with the FR is 35mm).
Quigley
Reviewed in the United States on July 24, 2022
I typically buy the Explore Scientific 82 degree UWA eyepieces. This one has the 68 degree AFoV. I had an 18MM UWA on back order but no telling when it was going to arrive and this was $100 less and 1 1/4" rather than 2" so fit some scopes I have with 1 1/4" visual backs and diagonals. There was nothing lacking in the field of view bring a SWA rather than UWA. I truly did like the views and they were WIDE. Eye relief was great and the product flawless. Same great images and quality as the UWA eyepieces. I might even consider having purchased the 68 SWs had I not already had two of the UWs given to me and wanted to complete the series. This takes nothing away from this 'keeper' though. It will fill a niche that the 18mm 2" won't. GREAT EYEPIECE, HIGHLY RECOMMENDED!!!
El tigre
Reviewed in the United States on December 26, 2019
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Customer
Reviewed in the United States on October 19, 2018
Outstanding optics, sharp across entire field of view and compact form factor. Pair purchased for maxbright binoviewer works well. Compliments my 19mm televue panoptic pair and practically on par but for color tone. Highly pleased! (Note: one eyepiece has sunspot-like specks within, most noticable when barlowed and will be returned. Update: received second ES68 24mm eyepiece and it performs properly and without specks. Well done Adorama, thanks!
Adrian From Toronto
Reviewed in Canada on January 3, 2017
Awesome field of view on this eyepiece. Great eye relief and clarity. A little over priced compared to others. I wish i could attach my DLSR directly to it like i can with my Celestron Duos but i bought it for the magnification and field of view.
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