ALPINE ASTRONOMICAL Winged Rubber Eyecup for 33.5-34mm Adhesives & Glues With a fixed

With a fixed

5 kohm product from CH PRODUCTS with the model number M31L081AProduct details

Hinge and push-push types

Dimension is 37mm x 165

ALPINE ASTRONOMICAL Winged Rubber Eyecup for 33.5-34mm Adhesives & Glues With a fixedImproves Image Contrast and Brightness Eliminates Peripheral Light Distractions Fits 33. 5 34mm Eyepiece Barrels Foldable for Use with Eyewear Designed for 1. 25" eyepieces eyepieces with a barrel diameter of approximately 33. 5 34mm, the Alpine Astronomical Baader Winged Rubber Eyecup replaces the stock eyecup on your eyepiece to block peripheral light from interfering with your views and to help eliminate distractions, improving image brightness and