Focal Length : 28mm

Maximum Aperture : f/2.8

Minimum Aperture : f/22

Lens Mount : Leica M

Angle of View : 75°

Minimum Focus Distance : 1.6' / 50 cm

Macro Reproduction Ratio : 1:16

Optical Design : 8 Elements in 6 Groups

Diaphragm Blades : 10

Focus Type : Manual Focus

Filter Size : 46 mm (Front)

Dimensions (ø x L) : 2.02 x 2\" / 51.3 x 51 mm

Weight : 7.8 oz / 220 g