Focuser for newtonian telescope
thingiverse
A custom Newtonian telescope focuser, crafted with precision using a high-torque 28BYJ-48 stepper motor. The sturdy base measures 50.5mm x 44mm x 38mm, boasting six carefully drilled holes - four for secure mounting and two for the optional installation of a reinforcing steel plate. The clever lid design features an interlocking mechanism. The gears are meticulously engineered to span a distance of 22mm between the motor and focuser. The engine gear boasts a robust 16-tooth configuration, perfectly suited for seamless integration with the 28BYJ-48 motor. Meanwhile, the focuser gear sports an impressive 40 teeth, accompanied by a 4mm screw hole and a 9mm rear hole with a precision countersink to ensure effortless centering.
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