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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
|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)|