Feather Touch 3.0" Diameter - Dual Speed Telescope Focuser, 1.5" Draw tube travel Brake, Integral TFPE Coupled 109mm Threaded Collar, and 2.0" Diameter Compression Ring with End Cap Upgrade.
This focuser comes standard with a M109x1 threaded tube adapter ring, if purchasing this focuser for the AT10/12RC, you can purchase the A30-1903-40 adapter to replace the standard tube adapter ring.
|Draw Tube Thread||M75X1 Female Thread|
|Draw Tube Travel||1.5"/38.10MM|
|Lifting Capacity||13-15 pounds|
|Thread on Entry (OTA | FRONT) Side of Draw Tube||M109X1 Male Thread|
|Finderscope hole thread dimension||8-32|
|Draw Tube Drive Mechanism||Rack/Pinion|
|Racked In from Mounting Face||3.672"/93.27MM|
|Racked Out from Mounting Face||5.368"/136.35MM|
- Review: Astronomy Technology Today by John O'Neil (PDF file)