SKU: 97464538364

Explore Scientific 100°-Series 30mm Eyepiece (3")

Sale price$74965.50 Regular price$83295.00
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Description

Explore Scientific 100°-Series 30mm Eyepiece (3")30mm Focal Length 100 Field of View 3" Diameter Barrel Fully Multicoated Optics Argon Filled, Water and Fogproof Slip Resistant Textured Surface Easy Insertion Doubled Tapered Barrel Fold Down Eyecup The 3" diameter barrel 100 Series 30mm 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

  • 30mm Focal Length
  • 100� Field of View
  • 3" Diameter Barrel
  • Fully Multicoated Optics
  • Argon-Filled, Water and Fogproof
  • Slip-Resistant Textured Surface
  • Easy-Insertion Doubled-Tapered Barrel
  • Fold-Down Eyecup

The 3" diameter barrel 100�-Series 30mm 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. The contrast is enhanced by a fold-down rubber eyecup that prevents stray light from leaking into your eye. Anti-reflective multicoated optics ensures bright, high-contrast images with true color transmission across the entire wide field of view. The eyepiece features a textured surface for a sure-grip when changing it out, argon-filled body for water and fogproof performance when used in extreme temperatures and climates, and a double-tapered barrel for smooth insertion and removal from the focuser.

Ultra-wide 100� apparent field of view displays a broad image with minimal optical distortion, ideal for detailed observation
Images have true color transmission across the entire field of view, even as the observed object approaches the field stop.
Anti-reflective multicoated optics ensure bright, high contrast images
Wide exit pupil, long eye relief ensure comfortable long-duration observation through your telescope
Double-tapered barrel allows smooth insertion and removal from the telescope's eyepiece holder or diagonal
Fold-down eyecup prevents peripheral light from leaking into your eye, causing blurring and dimming of the image
UPC: 812257013869
In the Box
Explore Scientific 100�-Series 30mm Eyepiece (3")
  • Limited 1-Year USA Warranty, Extendable to Transferrable Lifetime Warranty with Registration
Focal Length 30 mm
Barrel Diameter 3"
Eye Relief 19 mm
Field Stop Diameter 52.2 mm
Apparent Field of View 100�
Dimensions 7.9 x 4.2" (20.0 x 10.7 cm)
Weight 5.2 lb (2.4 kg)
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 97464538364

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K.M.C., carpenter
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★★★★★ 5
Nice and durable
Color: Black (Trifold)
The trifold is a bit thick, but fits right where my old leather wallet sat. Lots of room for cards and cash.
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Reviewed in the United States on May 26, 2026
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Timothy Paraliza
Whiting, US
★★★★★ 5
Awesomeness 👌🏽
Color: Black (Bifold)
Love it perfect fit
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Reviewed in the United States on April 22, 2026
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Crad
Whiting, US
★★★★★ 4
8/10 Front Pocket Wallet
Color: Black (Front Pocket)
It's a pleasing solution for me. The slim, pocketed design fits well in my front pocket. It probably fits other pockets well too. It's not perfect. But, it's solving for an imperfect solution that Apple is takling with their phones. Tap to pay with phones and digital ID will change the market for wallets. The physical size of cards limits how readily you can access any one card. It takes a bit of extra dexterity to pinch or slide some of the cards out. Ideally you'd have 4 on the outside, with remaining cards tucked in the center pocket. I just need more than 1/4 inch of card face to slide one out readily.
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Reviewed in the United States on April 12, 2026
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David Poll
Grantham, US
★★★★★ 5
Very nice wallet.
Color: Carhartt Brown (Trifold)
Very nice.
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Reviewed in the United States on April 22, 2026
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D. A.
West Palm Beach, US
★★★★★ 5
Size
Color: Black (Bifold)
It’s not a thick wallet, which is what my husband likes. Makes sitting or driving for long periods with it in his back pocket better. Has everything larger wallets have. Will purchase it again.
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Reviewed in the United States on March 19, 2026

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