1.25" Celestron 7-21mm Continuous Zooming Eyepiece for Astronomical Telescope
Description:
Zoom from low to high power in an instant with this versatile eyepiece!
Compatible with any telescope that accepts 1.25” eyepieces.
This fully multi-coated premium eyepiece zooms to any focal length between 7 mm & 21 mm - pick the best magnification for your subject.
Brand : Celestron
Model: Celestron telescope zoom eyepiece 7-21mm
Focal Length: 7mm-21mm, non-polar zoom, non-polar zoom
Size: Standard 1.25 inch /31.7mm telescope universal accessories
Coating: optical lens, FMC all plated green film, high definition
Application:
World of dual-use, applicable to all the astronomical telescope (31.7mm), used to watch the scenery and astronomical observation of the surface of the moon, planets, nebulae, star clusters, nebulae and other celestial bodies, the dispersion of high brightness, wide field observation, very comfortable; metal body, the surface coating layer, excellent optical performance.
A zoom eyepiece is equivalent to more than one eyepiece, high to low times, short focal to telephoto, the cost is very high, easy to adjust the ratio, very practical eyepiece
