| Principal specifications | |
|---|---|
| Lens type | Prime lens |
| Max Format size | 35mm FF |
| Focal length | 12 mm |
| Image stabilization | No |
| Lens mount | Fujifilm X Mount |
| Aperture | |
| Maximum aperture | F2.8 |
| Minimum aperture | F22 |
| Aperture ring | Yes |
| Number of diaphragm blades | 7 |
| Aperture notes | Circular blades |
| Optics | |
| Elements | 12 |
| Groups | 8 |
| Special elements / coatings | 2 aspherical, 3 ED, nano coating system |
| Focus | |
| Minimum focus | 0.20 m (7.87?) |
| Autofocus | No |
| Full time manual | Yes |
| Focus method | Internal |
| Distance scale | Yes |
| Physical | |
| Weight | 515 g (1.14 lb) |
| Diameter | 77 mm (3.04?) |
| Length | 73 mm (2.86?) |
| Sealing | No |
| Colour | Black |
| Hood supplied | Yes |
| Tripod collar | No |