Optic Rotation Mount, 25.4 mm, Fine Adjust Knob, 8-32 and M4

RSP Series Rotation Mounts feature full ball bearing races and can be coarsely aligned using the knurled edge of the rotating platform. Fine adjustment, with 4 arc-minute sensitivity, is made easily with a top mounted knob. Position can be locked in place securely with the little screw in the center of the knob. Position is indicated in 2° increment markings around the top circumference.

RSP Series Rotation Mounts hold 1.0 or 2.0 in. optic such as waveplates and polarizers securely in place with included retaining rings. Additionally, a variety of optic and optic holders can directly thread into the central threaded aperture. For example, RSP-1T can hold 0.5 in. optic in PRA-05 adapter, 0.5 in. beamsplitting cube in CH-0.5 holder, or Glan-Laser Calcite Polarizers such as 10GL08. RSP-2T can hold 2.0 in. cylindrical lens in CYH-2 rotation adapter or 1.0 in. beamsplitting cube in CH-1 holder.

RSP Series Rotation Mounts can be post mounted in vertical configuration using the tapped holes on the side of the frame. Alternatively, they can be used as a stage and directly mounted to optical table, breadboard, or other stage using two counter bored clearance holes on diagonal corners. Aperture inserts RSA-1TI and RSA-2TI are available to make them a solid platform for on-axis mounting and rotation of optical component supported by an optical post.