Instrument features
☆Adopts high-quality aluminum alloy guide raila nd parts.
☆Small volume, light weight, and stable operation.
☆High accuracy of measurement.
The instrument can finish following tests
☆To roughly measuring focal length of convex lens.
☆To measure focal length of convex lens by auto-collimation method and secondary imagery method.
Main configuration
☆Optical bench, light source, working voltage, and lens.