Focal length: 12-24mm
Maximum Aperture: F/4
Minimum Aperture: F/22
Optical Construction: 13 Elements / 11Groups
Coatings: Multi-layer Coatings
Angle of view: 99 _ - 61°
Minimum Focus Distance: 11.8 in. (30cm)
Macro Ratio: 1:8
Zoom system: Rotary type zoom
Aperture blades 9
Filter Size: 77mm
Lens diameter: 3.46 in. (84mm)
Total length: 3.5 in. (89.5mm)
Weight: 19.0 oz. (540g)
Included Accessories: BH-777 Star bayonet hood
Mount availability: Nikon digital/CANON digital*
*The lens is designed for Digital cameras with APS-C sized CMOS and CCD sensors (DX) , not designed for cameras with Full Frame sensors (FX).