The Sony 28-75mm F2.8 SAM lens is a high quality, wide aperture zoom lens covering a versatile range of focal lengths from wide angle to medium telephoto for general purpose shooting. It provides superb results with Digital SLR cameras using full-frame sensor and its Smooth Autofocus Motor (SAM) makes AF operation quick and quiet. Construction is made up of 14 elements in 16 groups, including four aspherical elements to ensure superb image quality.
Zoom or Prime Zoom Focal length (wide) 28 Focal length (tele) 75 Max aperture (wide) 2.8 Max aperture (tele) 2.8 Lens mount Sony/Minolta Sensor Format Full Frame Filter thread (mm) 67 Minimum focus distance 38cm Weight (g) 565 Size 77.5mm diameter x 94mm length Colour Black Minimum aperture 32 Lens elements 16 Lens groups 14 Aperture blades 7 Focus mechanism Smooth Autofocus Motor (SAM) Manufacturers link Click here Enlargement Ratio 1:4.5