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,
no-tools adjustment.
The Primary mirror replacements have all six screws, three collimation
and three lock screws. The secondary mirror replacements have three
thumbscrews.
Replacement primary mirror springs #CSS2 are firmer than the factory
originals for more stable collimation, and are stainless steel. ID=0.4",
OD=0.56", uncompressed length=0.52"
Click on images to enlarge
Primary Thumbscrews:
Secondary Thumbscrews:
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Ordering Information
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