Kowa 25x LER Eyepiece for TSN-82SV 660 and 600 Series Spotting Scopes
Long Eye Relief eyepiece 25x fixed power. Long Eye Relief is extremely useful when wearing eyeglasses. Ideal for competition shooting where you are focused on a set distance and the extra long eye relief gives a huge advantage over traditional spotting scope eyepieces. This extra eye relief is extremely useful when wearing eyeglasses or for a digiscoping system.
Suitable for the following Kowa spotting scopes: TSN-601, TSN-602, TSN-603, TSN-604, TSN-661, TSN-662, TSN-663, TSN-664, TSN-663M, TSN-664M, TSN-82SV.
Product Specifications:
Exit Pupil: 2.4mm (TSN 600), 2.6mm (TSN 660), 3.0mm (TSN 82SV)
Eye Relief: 32mm
Field of view at 1000 M: 36.7M (TSN 600/660), 35M (TSN 82SV)
Magnification: 25x (TSN 600/660), 27x (TSN 82SV)
Real field of view: 2.1 degrees (TSN 600/660), 2.0 degrees (TSN 82SV)
Relative brightness: 5.8 (TSN 600), 6.8 (TSN 660), 9.0 (TSN 82SV)
Twilight factor: 38.7 (TSN 600), 40.6 (TSN 660), 47.1 (TSN 82SV)