Sigma 12-24mm f/4 EF Lens

16 elements in 11 groups

• Field of View 122.0°-84.1°

Blades 9 (Rounded diaphragm)

Minimun Focus Distance 24cm* / 9.4in.

Dimensions  φ102.0mm × 131.5mm / φ4.0in. × 5.2in.

Weight  1,150g / 40.6oz.