Focuser for newtonian telescope
thingiverse
A Newtonian telescope focuser created using a 28BYJ-48 stepper motor. The box is made up of a base measuring 50.5mm x 44mm x 38mm, has 6 holes, 4 of which are for fixing while two for the installation (optional) of a steel plate for reinforcement, the lid is interlocking. The gears are designed to join the motor and the focuser at a distance of 22mm. The engine gear has 16 teeth the hole is suitable for the 28BYJ-48 engine The focuser gear has 40 teeth with 4mm screw hole and 9mm rear hole with countersink for centering.
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