Mount Sensitivity Calculator

Calculate kinematic mount angular resolution from thread pitch and lever arm. Compare TPI values and estimate beam displacement at target.

Mount Parameters

Reflective: beam deviation = 2× mount tilt

Linear Travel
Linear travel per revolution
0.31750 mm/rev
317.5µm/rev
Angular Resolution
Angular resolution per revolution
θ_rev = Δz / lever arm
15.875mrad/rev
Sensitivity per 1° turn
θ_rev / 360
44.097µrad/°
Beam Deviation at Target
Beam deviation per 1° turn
2× mount tilt (reflective optic)
88.194µrad
Beam displacement at 1.0000 m
Per 1° screw rotation
88.194µm
Abridged Optics — Mount Sensitivity Calculator v1.0Assumes ideal kinematic mount geometry with rigid lever arm. Real sensitivity may differ due to friction, preload, and compliance.

All information, equations, and calculations have been compiled and verified to the best of our ability. For mission-critical applications, we recommend independent verification of all values. If you find an error, please let us know.