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:



$00.00 - #CSK3 - No Longer Available - LightBridge 10 & 12" Primary and Secondary Collimation Thumbscrew Sets and Primary Springs
$00.00 - #CSK4 - No Longer Available - LightBridge 10 & 12" Primary Collimation Thumbscrew Set and Primary Springs
$00.00 - #CSK2 - No Longer Available - LightBridge 10 & 12" Primary and Secondary Collimation Thumbscrew Sets
$00.00 - #CSB2 - No Longer Available - LightBridge 10 & 12" Primary Mirror Collimation Thumbscrew Set
$16.00 - #CSD3 - LightBridge 10, 12 & 16" Secondary Mirror Collimation Thumbscrew Set
$18.00 - #CSS2 - LightBridge 10 & 12" Primary Mirror Replacement Spring Set, Stainless Steel


Compare! - - - - - Our prices include shipping in the USA!

Ordering Information



ScopeStuff Home