Sigma 85mm f/1.4 DG HSM Art Lens for Nikon F Photo The GP-1A GPS Unit is

The GP-1A GPS Unit is also supported for adding locational data to images' metadata for geotagging applications

The rotation direction of the focus ring on lenses can be switched to suit one's familiarity

16-bit raw output via the full-size HDMI port

As a G series lens

along with optimized focusing algorithms and a high-speed CPU

Sigma 85mm f/1.4 DG HSM Art Lens for Nikon F Photo The GP-1A GPS Unit isBRAND NEW IN STOCK & READY TO SHIP!!! F Mount Lens FX Format Aperture Range: f 1. 4 to 16 Two Low Dispersion Elements One Aspherical Element Super Multi Layer Coating Hyper Sonic AF Motor, Manual Override Rounded 9 Blade Diaphragm TSC Material, Brass Bayonet Mount Compatible with Sigma USB Dock Import Model 1 Yr Parts & 30 Day Labor Warranty via Seller Sigma 85mm f 1. 4 DG HSM Art Lens has a large f 1. 4 aperture and a variety of technologies.