Vixen Celestron Option Parts Zoom Eyepiece 8-24mm 36089 CELESTRON 93230

[Variable zoom eyepiece] By turning the eyepiece knurling, you can freely change the focal length from 8 to 24 mm. Not only can you observe the moon and planets, but you can also observe nebulas and star clusters with this one watch. [Multi-coating for clear visibility] Anti-reflection multi-coating is applied to the entire optical surface of the lens to completely eliminate light loss. You can get a clear and clear view. [Installation size: 31.7mm diameter] [Focal length: 8mm to 24mm] [Appearance field of view: 40 degrees to 60 degrees] [Eye relief: 15 mm to 18 mm] [Length: 11.8 cm] [Weight: 232 g]