AF 56 /1.7 is an auto focus lens with 11 elements in 9 groups.the focus distance is about 0.55m-∞, and noiseless STM focus motor can accurately control the moving position and bring accurate and smooth focusing.
Key Features
* 56mm focal length, F1.7 aperture
* 9 groups of 11 optical structures, including 4 ED lenses, 3 lenses with high refractive index
* Electronic aperture,internal focus mechanism, supports autofocus
* Precision hardened aluminum alloy bayonet
* Quiet STM focus motor, fast and accurate focusing
* Convenient and light
* Supports multiple camera shooting modes and EXlF information transmission
Product Specifications:
Maximum Aperture f/1.7
Minimum Aperture f/16
Lens Format Coverage APS-C
Angle of View 29.8°
Minimum Focus Distance 21.7" / 55 cm
Maximum Magnification 0.11x
Optical Design 11 Elements in 9 Groups
Diaphragm Blades 9
Focus Type Autofocus
Image Stabilization No
Filter Size 52 mm (Front)
Dimensions (ø x L) 2.6 x 2.2" / 65 x 54.7 mm
Weight 6 oz / 171 g