TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

25/25.4mm Diameter Rotation Kinematic Mount, 2-Screws

25/25.4mm Diameter Rotation Kinematic Mount, 2-Screws, #36-635

Stock #36-635 In Stock
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Adjustable - Rotary & Tip-Tilt
Type of Optics:
Size of Compatible Optics (mm):
25.0 - 25.4
Number of Adjustment Screws:
Clear Aperture CA (mm):
Travel (mm):
No Z-Axis Translation
Coarse Rotation (°):
Aluminum plates, stainless steel screws, and brass thread bushings
Angle Tolerance (°):
0.4 per 0.25mm turn
Fine Tilt Angle (°):
Fine Tip Angle (°):
Sensitivity per 1° Knob Rotation (arcsec):
Thermal Stability (μrad):
Adjustment Screw Pitch (mm):
Compatible Post:
M4 x 0.7, 8-32
Min. Thickness of Compatible Optics (mm):
Pointing Stability (μrad):

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:

Product Family Description

  • 360° Continuous Optic Rotation
  • 25.4mm Centerline Height
  • 5° Graduations

TECHSPEC® Rotation Kinematic Mounts provide precision control when positioning an optical element. These mounts utilize 100 TPI adjustment screws to offer precise motion control with a tip/tilt range of ±5 arcmin. Continuous 360° optic rotation is achieved through a custom designed optic cell and Teflon ring subassembly. TECHSPEC® Rotation Kinematic Mounts employ retainer ring mounting for evenly distributed pressure on the optics circumference. Available for 25.4mm and 12.7mm diameter optics, these components provide a convenient method for cylinder lens or polarizer optic mounting.