Brand: Zhitong
Model: All metal astronomical telescope PL40mm eyepiece
[Focal length]: 40mm length focal length, medium and low power eyepiece
Size: Standard 1.25 inch / 31.7 mm astronomical telescope general accessory.
[Coating]: Fully multi-layer coating, high resolution, two groups of four multi-layer bonded lenses.
[Functions]: All metal, 1.25" filter can be turned on bottom matte thread, laser lettering and fast spiral box package.
[Applicable]: Used to display the earth, scenery and astronomical observation with dual purpose space suitable for all astronomical telescopes (31.7mm interface)
Measuring the surface of the moon, planet, nebula, star cluster, binocular nebula, and other celestial bodies to make observation very comfortable with high brightness and large vision.
Metal mirror body, multi-layer coating across the entire surface, high quality optical performance