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Change of self-made 45cm newtonian oblique mirror adjustment screw. The previous work oblique mirror correction screw had a bending bend in the knob, which was not easy to use.
So, this time, I replaced it with a 6mm diameter wheel set with a ball pushed into the tip.
A hexagon wrench was attached to the bolt head with an epoxy bond to the overall length and knob, and a vinyl tube finish was used to make the wrench easier to operate.
Since the four are made the same height, they interfere a little, but the angle of turning can be finer than the previous work, and it can be firmly fixed!