1. Support auto focus (AF) and manual focus (MF) mode.
2. The aperture blades up to 7 pieces, which allows you able to shoot the near-circular diffuse plaques, appropriately narrow the apertures can shoot the 14 astral effect.
3. Adopt chrome high precision metal bayonet, which effectively improve the goodness to fit the camera body and the bayonet strength, wear and corrosion resistance for durable use.
4. Full line of the products are glass lenses.
5. Support full-frame and APS-C format cameras, support M/AV/TV/P and other camera shooting modes, and can be displayed the aperture data in the EXIF Information.
6. Multi-coated lenses, effectively improve the transmittance and suppress the ghosting and flare when in backlit shooting.
7. Adopt gold plating for the metal contacts, effectively improve the signal conductivity and corrosion resistance.