APM Super Zoom eyepiece 7.7mm to 15.4mm, 2" adapter with filter thread, Nitrogen filled, adjustable eyeguard with built-in self-focusing. This eyepiece was previously installed in the binoculars. The eyepiece was removed and fitted with a 2" adapter. Features: High-quality, multi-coated optics Elaborate optical-mechanical construction Modern MC multi-coating Optimized, pleasant viewing characteristics Blackened lens edges Apparent field at 7.7 mm 67° and at 15.4 mm 66° Translated with DeepL.com (free version)

Item condition: used Item with possible small cosmetic deffect, but every function works perfect