The SIGMA 16mm F1.4 DC DN Contemporary is the first interchangeable mirrorless lens in APS-C format that offers the focal of 24mm and F1.4 or 32mm brightness (micro 4/3 connection) with the same brightness as F1.4. It is the wide-angle lens of large diameter that mirrorless photographers were waiting for. The 16mm F1.4 DC DN Contemporary combines the highest optical results and brightness of F1.4. This lens adopts a 16-element optical scheme in 13 groups and uses high quality materials. The lens minimises optical aberrations and offers excellent resolution both at full apertures and at all other diaphragm values. The optical scheme and linear motor provide progressive focus when shooting video. Do not forget the coupling that adopts special seals against water and dust. The stepper motor ensures progressive and quiet autofocus. Water and dust proof design. The large standard lens hood eliminates side rays. Designed to minimise flare and ghost images. TSC, the material used to achieve a compact structure and better performance. Available for the coupling conversion service. 9-slat diaphragm. Brass bayonet fitting. "Made in Japan” with incredible craftsmanship. Available with Fuji X-Mount, Sony SE, Micro 4/3 or Canon mounts. Specifications: Optical diagram: 16 elements in 13 groups. Minimum diaphragm aperture: f16. Filter diameter: 67 mm. Shooting angle (DC): 83.2. Minimum focus distance: 25 cm. Diaphragm slats: 9. Maximum magnification ratio: 1:9.9. Dimensions (diameter x length): 72.2 × 92.3 mm. Weight: 405 grams.