Focal Length	20 mm
Aperture	Maximum: f/2.8 Minimum: f/22
Camera Mount Type	Canon EF
Format Compatibility	35mm Film / Full-Frame Digital Sensor Canon (APS-C)
Angle of View	94°
Minimum Focus Distance	9.84" (25 cm)
Magnification	0.14x
Maximum Reproduction Ratio	1:7.14
Groups/Elements	9/11
Diaphragm Blades	5

 

Image Stabilization	No
Autofocus	Yes
Tripod Collar	No

 

Filter Thread	72 mm
Dimensions (DxL)	Approx. 3.1 x 2.8" (7.87 x 7.11 cm)
Weight	14.29 oz (405 g)