how to use manual focimeter
focimeter principle
focimeter measuresmanual lensometer prism compensator
types of focimeter
how to measure prism in lensometer
how to read prism prescription

Ensure the power calibration of your focimeter is accurate. Measure the horizontal prism and direction using the reticule. This is the total horizontal measuring device and the microscope centre of the lens if prism is required and the eyepiece of a manual focimeter. The.