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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
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Description
Explore Scientific 92° Series 2" 17mm LER Waterproof EyepieceThe 92 Series 17mm LER combines a 92 ultra wide field of view with comfortable Long Eye Relief at a lower magnification ideal for framing large deep sky targets. At 17mm through a 2" barrel, you get wide, bright views that reveal the full extent of nebulae, open clusters, and rich star fields. Previously priced near $800, the current $299 price makes this level of ultra wide field performance genuinely accessible. Key Features 92 apparent field of
The 92° Series 17mm LER combines a 92° ultra-wide field of view with comfortable Long Eye Relief at a lower magnification ideal for framing large deep-sky targets. At 17mm through a 2" barrel, you get wide, bright views that reveal the full extent of nebulae, open clusters, and rich star fields. Previously priced near $800, the current $299 price makes this level of ultra-wide-field performance genuinely accessible.
Key Features
- 92° apparent field of view — among the widest available, delivering an immersive panoramic view that reveals deep-sky objects in their full spatial context
- Long Eye Relief (LER) design — generous working distance for comfortable extended viewing, fully compatible with eyeglasses without field loss
- Premium multi-element optics with lanthanum glass for sharp, color-corrected images across the enormous field
- 2" barrel for maximum light throughput and true wide-field performance
- Argon-purged waterproof housing — sealed and fog-proof for dependable all-weather performance
- Enhanced Multi-Layer Deposition (EMD) coatings on all air-to-glass surfaces with edge-blackened elements
Ideal For
- Wide-field deep-sky observers who want large nebulae, open clusters, and galaxy groups framed within an immersive 92° field at comfortable magnification
- Eyeglass wearers who need generous eye relief without sacrificing any of the ultra-wide field — a genuine advantage of the LER design
- Dobsonian and large-aperture telescope owners where a 17mm provides a beautifully wide, bright view at moderate magnification
- Observers who previously couldn't justify ultra-wide-field pricing — at $299, this delivers 92° immersion that was formerly an $800 investment
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Great fit, truly doesn’t slide off heel
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium, Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
I’ve scoured all the lands looking for a no-show sock that was 1) thin, 2) quality, soft, breathable material, 3) didn’t dig into my feet/heels, 4) doesn’t shrink, and most importantly 5) stays on the back of my heel without a bulky non-slip rubber piece and these check all the boxes! Perfect for low profile women’s work shoes like Keds, etc. Not low enough for most flats though. I wear a women’s size 9.
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Reviewed in the United States on April 19, 2025
★★★★★ 5
So good - I’m buying MORE.
Number of Items: 3, Color: White (3-pairs), Size: Medium
I’m gonna give you more detail than you need about why I’m buying these socks again.
I’ve been the mom of girl athletes. I’ve been a model and a fashion director. I’ve worn every brand of shoe on the planet and never found a shoe that did NOT find a vulnerable spot on my foot to rub raw. Even my beloved white Jack Purcell sneakers.
With that said - I don’t like socks. I’ve bought a TON of them in 35+ years.....all major brands.
They shift. They lose their shape. They get holes in them and wear out too fast. Not these.
I retired this year, and knowing I’d be in sneakers a lot, traveling, sightseeing ......
I bought these 6 months ago and have worn them constantly. I’ve traveled with them. I’ve washed them in hot water and bleach.
The socks are like brand new. They are exactly the right cut so as not to be seen in a basic sneaker. The little silicone patch on the heel stays put. Not once have I had to dig down into my shoe and pull the sock back up. The socks have stayed soft and EXACTLY the same as the day they were new.
Like I said - I am back to buy them again. Great quality!
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Reviewed in the United States on January 20, 2021
★★★★★ 5
No slip low socks
Number of Items: 3, Color: Black/White (3-pairs), Size: Medium
Perfect! ❤️ these!
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Reviewed in the United States on February 16, 2026
★★★★★ 4
Stay put!
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
Nice and thin, soft, and stay put. I wear an 8 shoe and don’t like a thick sock taking up room. These socks are a bit tight on big toe. Wish they came in large.
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Reviewed in the United States on October 10, 2023
★★★★★ 5
The best
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
The best no show socks I have found. Stay in place very well and hold up wash after wash. I have tossed all the other brands I’ve bought over the years and stocked up on these as I was tired of digging through the drawer hoping to find a clean pair.
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Reviewed in the United States on December 8, 2024