STARBASE KELLNER EYEPIECE

$37.74 ~~$51~~ In stock

Category: Eyepieces

Description

This Kelner-type eyepiece features 2 groups with 3 elements. This simple configuration provides clear and clean views.

Specifications

Apparent Field of View: 45 degrees

focal length: 25 mm

eye Relief: 18 mm

focal length: 20 mm

eye Relief: 14 mm

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Kevin R. ★★★★★ Oct 21, 2026

The 45-degree apparent field gives me a nice wide view without needing to constantly nudge my telescope. Jupiter's bands were crisp and distinct even with my modest scope.

Ellie ★★★★★ Oct 20, 2026

Swapped out my stock eyepiece for this 25mm Kelner, and the 3-element design really makes a difference — Jupiter's bands are noticeably sharper. The 45-degree field feels just right for lunar scans without any edge distortion. Glad I grabbed this for the price.

Ruby ★★★★★ Oct 19, 2026

The 45-degree apparent field gives a nice, classic viewing angle that feels comfortable for long sessions. I’ve been using it on my 8-inch Dobsonian and the 25mm focal length provides crisp, steady views of the moon and Jupiter. For the price, this eyepiece is a solid performer without any frills.