Alpine Astronomical Baader Winged Rubber Eyecup for 1.25" Eyepieces (33.5-34mm)

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 contrast while allowing you to concentrate on your subject. The soft silicone wing can be folded down and out of the way for those who require corrective eyewear and need to observe with their glasses on.  This is the most common size and fits many standard Plossls, as well as the Baader Genuine Orthos and Zeiss Abbe-II Eyepieces. It is also ideal for use with Nagler Type 6 eyepieces, providing more usable eye relief than Tele Vue's stock eyecup.