Upgrades the stock primary mirror springs and collimation screws / knobs. This is essential for models earlier than 2008.
All 16" models and mid 2008 come stock with plastic collimation knobs. The Spring ONLY upgrade kit is for users who do not want to replace their stock plastic knobs with the Farpoint machined.
|Name||Farpoint - Farpoint 16 " LightBridge Knob and Spring Upgrade Kit for Primary Mirror|
|Manufacturer||Farpoint Astronomical Research|