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The Crayford design presses a metal drive shaft directly against a machined metal drawtube held by bearings on the opposing side — a direct surface-to-surface drive that eliminates the backlash and drawtube shift of rack-and-pinion designs and allows impossibly fine adjustments
eliminating the problem
These are machined for the Meade 12″ SCT only
5 inches if you upgrade to 10 inch pneumatic tires
and let you fine-tune where the scope points — essential for putting a guide star on your sensor
Secondary Mirror 1.55″ minor axis for 6" f/6 primary mirror No Coupon During Sale The Crayford design presses aSecondary Mirror, 1. 55 minor axis, 1 10 wave or better. Works with a 8" f 6 primary on a Newtonian reflector.
US$ 10.95
US$ 475.00
US$ 41.00
US$ 97.00
US$ 10.00
US$ 5399.50
