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| Coad | 670852 | Type | 60mm Coaxial System Rotation Mount | |
| Optical Component Diameter (mm) | 50.80 | Optical Element Thickness (mm) | 12.80（MAX） | |
| Rotation Angle (°) | 360 | Graduation Accuracy（°） | 1 | |
| Clear Aperture | - | Material | 6061-T6 Aluminum Alloy | |
| Optical Component Mounting Method | Retaining Ring Mount | Surface Treatment | Black Anodized |
LBTEK offers two types of 60 mm cage system rotation mounts: CRM-2A and CRM-2B, both designed for mounting Ø50.8 mm optics. CRM-2A features SM2 internal threads and includes an SM2R retaining ring for securing optics up to 12.8 mm thick. CRM-2B has a smooth inner wall and secures optics with an M4 nylon-tip setscrew, supporting optics with a minimum thickness of 7.9 mm. Both mounts allow continuous 360° rotation, with 1° scale graduations and angle numbers marked every 10°. An M4 nylon-tip side setscrew (compatible with a 2 mm hex key) locks the rotation. The base includes an M4-threaded hole for direct post mounting.
CRM-2A features SM2 internal threads and includes an SM2R retaining ring for mounting Ø50.8 mm optics up to 12.8 mm thick. The mount allows continuous 360° rotation, with 1° scale graduations and angle numbers marked every 10°. An M4 nylon-tip side setscrew (compatible with a 2 mm hex key) is provided for locking rotation. The base includes an M4-threaded hole for direct post mounting.
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