This is description of this part:
Internal gear mechanism of the fine focus adjustment system (micro adjustment block) for the Lomo MMU-3 / MMY-3 metallurgical microscope.
The function of this mechanism is precise focusing - converting the horizontal movement of the adjustment knob into precise vertical movement.
What is this part needed for?
- as a service part to replace the entire block
- if you own a Lomo MMU-3 microscope with a damaged fine focus mechanism and want to replace only a single gear wheel
- if you need a fine focus mechanism for your own DIY project
