Description
Actual Outer Diameter: 62mm. Optical: Refraction..Material: optical. Distance: F220 F300 F360 F500 F600 F700 F800 F900 optional..It can adjust eyepiece location;help you to get more sharp image..Application:Support all types of telescopes, reflector, refractor, to observe the star clusters, moon, , planets and other celestial bodies..It can adjust eyepiece location;help you to get more sharp image.