Kinematic Self-Centering Mount

  • Non-Marring Delrin®* Fingers Firmly Grip
    and Center Optics up to 8 mm Thick
  • Self-Centering Spring-Actuated Design
  • ±4° of Kinematic Tip-Tilt Adjustment


Mounts Optics Ø0.15" to Ø1.7"

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KS1SC Application
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Pinching the Acuator Tabs Adjusts the Optic Mounting Diameter


  • Kinematic Mirror Mount With Self-Centering Fingers for Easy Optic Insertion and Removal
  • Holds Optics Between Ø0.15" (Ø3.8 mm) to Ø1.7" (Ø43 mm)
  • Three 1/4"-80 Adjusters Provide Angular Adjustment
  • Three Trumpet-Shaped Delrin®* Optic Holders Designed to Secure Optics up to 8 mm Thick
  • Fabricated from Black Anodized Aluminum

Thorlabs' KS1SC Kinematic Self-Centering Mount is designed to allow optics of various diameters to be easily inserted and removed from a kinematic-style mount. The optic holder features three spring-loaded fingers that automatically grip and center optics ranging from Ø0.15" (Ø3.8 mm) to Ø1.7" (Ø43 mm), similar to our line of Self-Centering Fixed Lens Mounts. The optic holder fingers are easily opened with one hand by pinching the actuator tabs between the thumb and forefinger. The optic is simply held between the mounting fingers as the actuator tabs are released. This mount features trumpet-shaped fingers designed to securely mount round optics, such as mirrors, up to 8 mm thick.

The kinematic adjustment is provided by three 1/4"-80 adjusters, similar to our Precision Three-Adjuster Kinematic Mirror Mounts. The adjusters provide ±4° of angular adjustment. The adjusters may be locked with set screws actuated by the included 5/64" ball driver. The mount features #8 (M4) couterbores for compatibility with both imperial- and metric-threaded Ø1/2" Posts.

*Delrin is a registered trademark of DuPont Polymers, Inc.

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Kinematic Self-Centering Mount

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
KS1SC Support Documentation
KS1SCCustomer Inspired! Kinematic Self-Centering Mount, Ø0.15" (Ø3.8 mm) to Ø1.7" (Ø43 mm)