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 digiscopingsystem. Suitable for 4X zoom cameras and cameras with large-diameter objective lenses. Vignetting may not be eliminated in some cameras.
|Exit pupil||3.1mm (TSN 770) 3.5mm (TSN 880)|
|Field of view at 1000M||36.7M|
|Field of view||2.1 degrees|
|Relative brightness||9.6 (TSN 770) 12.3 (TSN 880)|
|Twilight Factor||43.9 (TSN 770) 46.9 (TSN 880)|
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