Sigma 18-35mm F1.8 DC HSM is an Auto Focus (AF) Standard Zoom lens with APS-C / DX max sensor coverage and it is designed to be used with Nikon F (DX) mount lenses.
Sigma 18-35mm F1.8 DC HSM is compatible with cameras that have Nikon F (DX) lens mount.
Max sensor coverage of Sigma 18-35mm F1.8 DC HSM is APS-C / DX.
Sigma 18-35mm F1.8 DC HSM has a focal range of 18-35mm and 1.9X zoom ratio. When mounted on a APS-C / DX format camera, it provides an 35mm (FF) equivalent of 27 - 52.5mm.
Sigma 18-35mm F1.8 DC HSM has a constant max aperture of f1.8 from 18mm all the way to the 35mm .