About this product
SImply the BEST focuser upgrade available for the GSO 6" and 8" Ritchie Chretien.
Ready-to-go: Price includes Starlight Instruments adapter A20-271.
- 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.
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")
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