Dual speed focuser

#	Item
1	Crayford WILLIAM OPTICS CRAYFORD FOCUSER Even though I had gotten the stock XT10 rack and pinion focuser to function well, once I added the binoviewers, it was not up to the task of focusing the heavy train at high powe Add to Reading List Source URL: www.williamoptics.com Language: English - Date: 2011-04-13 13:33:57 Mechanical engineering Like Laser Crayford TheSky Physics Dual speed focuser Crayford focuser Mechanisms Optics
2	Installation Instructions – Celestron 14” Telescopes Important: The telescope optical tube must be positioned horizontally before removing the original focus assembly. If the telescope is not horizontal the primary m Add to Reading List Source URL: starizona.com Language: English - Date: 2006-12-07 23:40:08 Screw T-mount Telescopic sight Visual arts Manufacturing Dual speed focuser Crayford focuser Technology Wrench Optical devices