The Fujifilm XF 18mm F2 R is a 'pancake-style' lens that offers an equivalent focal length of 27mm on Fujifilm's X-series interchangeable lens cameras. One of the three prime lenses announced at the system's inception, the XF 18mm features a physical aperture ring which operates in 1/3 steps. Optical construction comprises eight elements in seven groups, including two aspherical elements. It also features a 7-bladed aperture diaphragm with rounded blades for attractive out of focus areas.
| Lens type | Prime lens |
|---|---|
| Focal length | 18 mm |
| Lens mount | Fujifilm X |
| Max aperture | F2 |
| Min aperture | F16 |
| Min focus | 0.18 m (7.09″) |
| Max magnification | 0.14× |
| Weight | 116 g (0.26 lb) |
| Length | 41 mm (1.61″) |