1. Full multilayer coating eyepiece, can zoom to any focal distance between 7mm to 21mm, choosing best magnification for your subject.
2. For viewing moon, planets, nebulae, star clusters and other heavenly body landscape and astronomy observation, high dispersion, wide field of view, very comfortable.
3. Fine workmanship, suitable for 1.25 inch /31.7mm astronomical telescope.
4. Zoom eyepiece not just eyepiece, high magnification to low magnification, short focal distance to telescopic, easy to adjust proportion, very practical.
5. Professional manufacturing, metal body, surface coating, excellent optical performance.

Spec:
Condition: Brand New
Item Type: Eyepiece
Material: Aluminum Alloy + Optical Glass
Color: Black
Quantity: 1PCS
Focal Distance: 7-21mm Continuous Zoom
Lens Coating Film: Wideband Green Film
Weight: Approx. 168g
Interface Size: Approx. 31.7mm/1.25inch

Package List:
1 x Eyepiece