Mount availability: Canon EOS, Nikon-D,
Focal length:10 to 17mm
Maximum aperture: f/3.5-4.5
Minimum aperture: f/22
Optical construction: 10 elements in 8 groups
SD glass: One elements
Coatings: Multi-layer
Angle of view: 180° to 100°
Minimum focus distance: 5.5 in. (14 cm)
Reproduction ratio: 1:2.56
Zooming system: Rotary type
Number of diaphragm blades: 6
Filter size: N/A
Maximum outer diameter: 2.75 in. (70mm)
Dimensions: 2.75 in. (70mm) X L 2.79 in. (71.1mm)
Weight:  12.3 oz. (350g)
Lens Hood Built-in