Brand: ThorLabs | Category: Scientific & Laboratory Equipment

Lens tubes that translate an optic along the optical axis inside an SM1 assembly. Rotating versions give simple travel while the SM1ZM and SM1NR zoom housings use a helical drive so the internal cell moves without rotating, which matters for polarisation optics.
| Parameter | Value |
|---|---|
| Specification | Mount SM1-threaded lens tubes, 1" (25.4 mm), 25 mm or 1/2" (12.7 mm) optics |
| Specification | SM1V05, SM1V10 and SM1V15 give rotating adjustment |
| Specification | SM1ZM, SM1NR1 and SM1NR05 give non-rotating linear travel |
| Specification | SM1U adjustable collimation adapter gives 11 mm of rotating adjustment |
| Specification | SM1V10V is a vacuum-compatible vented version |
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Contact Vvon Technologies Limited about ThorLabs equipment requirements in Bangladesh.
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Extruded aluminium rails with a 25 mm square profile and channels on all four faces, used to build enclosures, frames and rigid mechanical structures on an optical table. T-nuts in the channels accept any 8-32 or 1/4 inch-20 optomechanical component.
SM1 threaded lens tubes that take one inch optics directly and build light-tight optical subassemblies. The 1.035 inch-40 thread standard runs through most of the Thorlabs range, so tubes, mounts, adapters and cage plates all interlock.
Rotation mounts that combine continuous 360 degree coarse rotation with a locking dial and backlash-free fine adjustment. They are the standard way to set the angle of polarisers and wave plates in half inch, one inch and two inch sizes.