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Kowa TE-20H 25x long eye relief eyepiece

  • 10 YEAR WARRANTY

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Long eye relief eyepiece 25x, 7 lens elements in 5 groups
Extra long eye relief - Extremely useful when wearing eyeglasses or for digiscoping systems.

This high-performance eyepiece design with 7 lens elements in 4 groups has an extremely long eye relief of 32mm. This extra eye relief is extremely useful when wearing eyeglasses or for a digiscoping system. Suitable for 4X zoom cameras and cameras with large-diameter objective lenses. Vignetting may not be eliminated in some cameras.

Suitable for the following Kowa spotting scopes:
TSN -771*, TSN-772*, TSN-773, TSN-774, TSN-881*, TSN-882*, TSN-883, TSN-884, Telephoto lens**
* Product no longer available
** Requires TP-88EC1 prism adapter

Product Specification

Exit pupil Eye relief Field of view at 1000 M Magnification Real field of view Relative brightness Twilight factor
3.1mm (TSN 770) 3.5mm (TSN 880) 32mm 36.7M 25x 2.1 degrees 9.6 (TSN 770) 12.3 (TSN 880) 43.9 (TSN 770) 46.9 (TSN 880)