Zoom Knob says: Camera Adapter Camera Chip Size Auxiliary Lens Monitor Screen Size On Screen Magnification
   

Note: Not all combinations are possible. Not all combinations render acceptable image resolution.

Check the numbers on your zoom knob and the list of auxiliary lens that are made for your model scope.

Note: Use of this calculator is meant for approximations and to evaluate changes in the setup, i.e. how much more mag
can I get with a bigger monitor, etc.. To calculate true magnification, one would measure the lines of a stage micrometer
at the magnified output and apply the formula. Meiji does not recommend using 1/4" chip cameras for microscopy.