Primary and Secondary Mirror Collimation Screws and Springs
for Meade LightBridge, GSO, Zhumell, Hardin Optical 10" & 12" Dobs
and Zhumell 8" Dob
Replace your factory collimation screws with these thumbscrews for quick,
The Primary mirror replacements have all six screws, three collimation
and three lock screws. The secondary mirror replacements have three
Replacement primary mirror springs are firmer than the factory originals
for more stable collimation, and are stainless steel.
Click on images to enlarge
Compare! - - - - - Our prices include shipping in the USA!