Fujifilm FUJINON XF23mmF2.8 R WR, weather-resistant lens (dustproof, moisture and up to -10°C); focal length 23mm (equivalent to 35mm); 8-piece optical scheme in 6 groups (including 2 aspherical elements); aperture: F2.8-16; round aperture with 11 fins, step 1/3EV; Position position locking system A (Auto); Minimum distance of fire: 20 cm; Magnification max. : 0.15x; filter: 39 mm; weight: 90 g