Description
- Lens size: 93mm. Diameter tolerance: +0/-0.12 mm. length tolerance: 0.1%.
- Effective diameter:90mm. Combined quality: 1/4-1/8. Center thickness tolerance: 0.2mm.
- 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.