SImply the BEST focuser upgrade available for the GSO 6" and 8" Ritchie Chretien. 

Ready-to-go: Price includes Starlight Instruments adapter A20-271.

Features

• Designed and manufactured to the highest standard to ensure long life and no-fuss operation. 
• Two focus knobs provide coarse focus and fine focus with a reduction ratio of 10-to-1 for unrivalled accuracy and repeatability. 
• Includes Starlight Instrument's focuser brake system. 
• Non-marring brass compression ring. 
• 2.5" draw-tube travel.   

Specification

Draw Tube Travel  63.5 mm (2.5")
Lifting Capacity  8-10 pounds
Reduction Ratio  10:1
Draw Tube Drive Mechanism  Crayford
Racked In from Mounting Face  35.69 mm (1.4")
Racked Out from Mounting Face    101.73 mm (4")

There are currently no specifications available for this product.

FeatherTouch Focuser for GSO 6" & 8" Ritchey Chretien Questions & Answers

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