Sigma 18-50mm F2.8-4.5 DC OS HSM is an Auto Focus (AF) SuperZoom lens with APS-C / DX max sensor coverage and it is designed to be used with Nikon F (DX) mount lenses.
Lens Mount
Sigma 18-50mm F2.8-4.5 DC OS HSM is compatible with cameras that have Nikon F (DX) lens mount.
Sensor Coverage
Max sensor coverage of Sigma 18-50mm F2.8-4.5 DC OS HSM is APS-C / DX.
Focal Range
Sigma 18-50mm F2.8-4.5 DC OS HSM has a focal range of 18-50mm and 2.8X zoom ratio. When mounted on a APS-C / DX format camera, it provides an 35mm (FF) equivalent of 27 - 75mm.
Optical Image Stabilization
Sigma 18-50mm F2.8-4.5 DC OS HSM features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Zoom Method
Rotary (internal)
Aperture
Sigma 18-50mm F2.8-4.5 DC OS HSM has a max aperture of f2.8 at 18mm and max aperture of f4.5 at 50mm .