| Code | 670995 | Type | 30mm Coaxial Beamsplitter Cube Mount | |
| Clear Aperture | Ø25.4mm | Material | 6061-T6 aluminum alloy | |
| Surface Finish |
Black anodized | Side Threads / Holes | SM1 / M3 | |
| Compatible Beamsplitter Cube Size | 25.4mm | Bottom Thread | M4 |
Can directly mount 25.4 mm beamsplitter cubes or beamsplitter cube adapters
Cube sides feature SM1-threaded through holes and M3-threaded holes; bottom features M4-threaded hole
Compatible with 30 mm coaxial systems
Includes base plate and triangular clamp
CM-3 features SM1-threaded through holes on the sides, which can be sealed with SM1-C2 protective caps to protect optical components and prevent dust or stray light from entering. The side M3-threaded holes allow connection to Ø6 mm coaxial rods, and the bottom M4-threaded hole allows mounting on optical rods. Product information can be written in pencil on the white top panel for easy identification.
Important: Use the dedicated hex key provided by LBTEK to tighten the four black hex socket countersunk screws. Using other tools, especially ball-end hex keys, may strip the hex socket. Hold the internal part steady while tightening — excessive force is unnecessary. It is also recommended to regularly replace these screws (specification: M2.5×6 countersunk hex socket screws).














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