Description
Product Description
- Compatible with Ø1/2-inch (12mm) optical components, secured with set screws for limit positioning.
- Angular range: ±4°.
- MS-A12 (Lockable): Three M5*0.25 adjusters, 12.8mrad/rev (0.73°) adjustment per full rotation.
- MS-B12: Two M2.5*0.2 adjusters, 13.96mrad/rev (0.8°) adjustment per full rotation.
- MS-A12 features a thicker backplate and springs for stability; MS-B12 is compact and mini-sized.
- Bottom mounting holes for rod installation.
The adjustment mounts provide ±4° pitch and yaw adjustment for Ø1/2-inch optical components, which are fixed via nylon-tipped set screws.
| Model | MS-A12 | MS-B12 |
| Type | High-precision, high stability | Mini series, suitable for limited space |
| Dimensions | 29.529.518.4mm | 20.0*20.0*13.2mm |
| Adjuster Type | 3x M5*0.25 | 2x M2.5*0.2 |
| Adjustment Range | ±4° and 4.5mm Z-axis translation | ±4° |
| Resolution Accuracy | 12.8mrad/rev (0.73°) | 13.96mrad/rev (0.8°) |
| Mounting Aperture | Compatible with 1/2-inch or 12mm optical components (thickness ≥3mm) | Compatible with 1/2-inch or 12mm optical components (thickness ≥3mm) |
| Thread Hole Type | 2x M4 | 2x Ø3mm |
| Weight | 25.3g | 6.9g |
| Material | 7075 aluminum alloy | 7075 aluminum alloy |
Technical Description
The adjustment mounts provide ±4° pitch and yaw adjustment for Ø1/2-inch optical components, which are fixed via nylon-tipped set screws.

The MS-A12 features a thicker backplate, with tighter springs and hardened inserts at all connection points to enhance stability. The MS-B12 is mini-sized, suitable for installation in optomechanical devices with limited space.

Bottom mounting holes enable left/right-hand rod installation: MS-A12 uses three M50.25 adjusters, adjusted and locked with a 2mm hex wrench; MS-B12 uses two M2.50.2 adjusters, adjusted with a 1.5mm hex wrench.
Assembly
Manual Assembly and Installation
Installation Method:

Application Example
Oeabt offers a variety of optical adjustment mounts and fixed mounts capable of installing many standard-sized optical components. The fixed optical mount features an integrated design, which can be integrated into laser systems or other compactly designed systems, suitable for applications requiring high stability. It enables easy construction of optical experimental platforms in optical path systems.

Engineering Drawing Download







