The SP AF17-50mm F/2.8 is a lightweight, compact, fast standard zoom lens designed exclusively for digital SLR cameras, expanding the product concept of the popular SP AF28-75mm F/2.8 zoom lens.
16 elements in 13 groups
Angle of View: 78°45'-31°11' (APS-C size equiv alent)
Diaphragm Blade Number: 7 (Circular apertures)
Minimum Aperture: F/32
Minimum Focus: 10.6in.(0.27m)
Macro Mag. Ratio 1:4.5 (at f=50mm MFD 0.27m)
Filter Diameter: ø67
Weight: 398g (14oz)
Diameter x Length ø2.9 x 3.2in. (ø74.0 x 81.7mm)
Accessory Flower-shaped Lens hood
Mount: Canon AF, Konica Minolta AF-D, Nikon AF-D