Kowa TSN-883 Angled Spotting Scope The pure fluorite crystal used in these models is the optimum optical material for reducing chromatic aberration, providing . Kowa TSN-883 88mm PROMINAR PFC Spotting Scope (Angled Viewing, Requires Eyepiece) . The TSN-883 Angled 88mm PROMINAR PFC Spotting Scope is a world-class spotter that redefines the standards of color brilliance, sharpness, and brightness. . TSN-883 88mm PROMINAR PFC Spotting Scope . Kowa TSN-883 Spotting Scope The TSN-880 series is the larger of the two newest scope lines from Kowa. We've reviewed scopes before. We've reviewed . The TSN-883 is the flagship of the Kowa spotting scopes, with an extremely large 88mm objective lens diameter. The enthusiasm of Kowa's 50 years of spotting . Buy Kowa TSN-883 Prominar Angled Spotting Scope Body from Ace Optics, established for over 30 years in Bath and stockists of a range of Kowa products. This scope's 88mm Prominar objective lens is made of natural fluorite crystal. Specs below . Kowa TSN-883 88mm Prominar Pure Fluorite Scope Body Angled. After first seeing the range of Kowa TSN scopes at the British Birdwatching Fair (Birdfair) a few years ago, I really wanted to get my hands on one to fully review. Find great deals for Kowa TSN-883. Shop with confidence on eBay! . Buy It Now. New. New. Kowa TSN-883 88mm Prominar Angled Spotting Scope Body . Kowa TSN-883 spotting scope redefines clarity for birders and hunters. This is because, among other impressive features, this spotting scope has a large 88mm .