12 mm, 1/3", EF/C-mount UV Lens. 12 mm, 1/3" lens with a 365 ±20 nm working band for security surveillance and forest fire protection (the page text calls it a thermal lens; it sits in the supplier's UV Lenses category). At a glance: working distance 0.5 m to infinity; focal length 12 mm; image format / field 1/3"; aperture F3.8; mount Canon EF or C mount.
| Model | LS-SUV132C |
|---|---|
| Focal length | 12 mm |
| Aperture | F3.8 |
| Image format / field | 1/3" |
| Wavelength | 365 ±20 nm |
| Working distance | 0.5 m to infinity |
| Distortion | ≤2% |
| MTF | 300 lp/mm > 0.3 |
| Mount | Canon EF or C mount |
| Iris control | Manual |
| Focus control | Manual |
| Operating temperature | 40 to 60 °C |
| Size (from drawing) | dia. 28 x 45 mm |
| Focus travel (from drawing) | 10 mm / 3 mm (unit focusing) |
| Shipping weight (estimated) | 0.45 kg |