The Thorlabs DMM1 is a fixed mount specifically designed for Ø 1″ (25.4 mm) D‑shaped mirrors, made of black anodized aluminum. It is intended for secure mounting in either horizontal or vertical orientation, using a standard 8‑32 (M4) tapped hole for compatibility with ½″ posts. This mount does include a mirror.
🔧 Key Specifications
| Feature | Detail |
|---|---|
| Compatible optics | Ø 1″ D‑shaped (straight-edge) mirrors; also accepts standard Ø 1″ plano or round optics |
| Maximum optic thickness | 6.1 mm (0.24 in) |
| Mounting interface | Single 8‑32 (imperial) or M4 (metric) tap—depending on imperial or metric model |
| Material & finish | Black anodized aluminum |



