- Securely holds a polarizer
- Allows 360° rotation of the polarizer around the optical axis.
- High stability to prevent slippage
- Driven by micrometer, provides fine angular adjustment, often in the range of micro radians.
- Holds sheet polariser of dia 25mm by a retaining ring.
- Tapped hole M4 is provided at bottom for mounting post.
- Supplied with 9.5mm dia. Post of length 90mm.
- Alloy aluminium black anodized construction.