This Kowa Twist Up Eyecup is the replacement eyecup for the TE-17W eyepiece. Its twist up configuration favors all viewers including eyeglass wearers, and has the ability to prevent light from entering the eyepiece. It helps tremendously for prolonged observation.

• Replaces lost or worn eyepiece cup

   

   

• Designed specifically for TE-17W Eyepieces

   

   

• Helps to properly position eye for viewing

   

   

• Blocks annoying stray light

Equipment Type: Replacement Eyecup

Application: TE-17W Eyepieces

Construction: Rubber

Design: Twist-up