LBTEK 2-inch Low Distortion Stainless Steel Mirror Mount is used for mounting Optical Components with a Mounted Diameter of 50.8 mm, and comes with 2 M6×0.25 Precision Adjusters with Knurled Knobs and lock nuts. A Retaining Ring + wave washer secure the Optical Components at three points. The mount is supplied with 1 Stainless Steel Retaining Ring + wave washer, and is compatible with Optical Components up to 12 mm thick. The 2 M6×0.25 Precision Adjusters with Knurled Knobs and lock nuts provide an Angular Adjustment Range of ±4° for the mount; the Knurled Knobs allow the Pitch and Yaw of the Optical Components to be adjusted by hand or with a Hex Key. The side of the optical mount has M4 countersunk mounting holes. The LBTEK Stainless Steel Mirror Mount is supplied with hex socket ultra-thin head screws and a Hex Key.

Installation instructions: After inserting the Optical Components, insert the wave washer, making sure that the contact points between the washer and the back of the lens are aligned with the positions of the three bosses on the mount. Insert the Retaining Ring and turn it until the Retaining Ring lightly contacts the back of the Optical Components, then turn the Retaining Ring back 90° (1/4 turn). This ensures that the wave washer provides elastic force to secure the Optical Components, ultimately ensuring that the surface figure of the Optical Components in the mount is less than 0.1λ.
Note: These mounts are intended for mounting 50.8 mm Optical Components with a tolerance of +0/-0.13 mm. For low surface figure applications, 1 adhesive-tipped screw on the three-point boss must be fully loosened and must not contact the Optical Components. For applications without low surface figure requirements, a torque wrench can be used to tighten the Optical Components to a torque of 2 cN·m to provide longer-term Stability. (See the technical note schematic.)