English 
Brand: Canon
Type: Lens
Compatible: Canon Full Frame Mount
Lens Specification
Lens Type: Prime lens
Max Focal Length: 50
Image Stabilization: No
Lens Mount: Canon EF
Angle of View: 46°
Maximum Magnification: 0.21x
Focus
Minimum Focus: 0.35
Autofocus: Yes
Motor Type: Stepper
Aperture
Maximum Aperture: F1.8
Minimum Aperture: F22.0
Aperture Ring: No
Number of Diaphragm Blades: 7
Lens Construction
Elements: 6
Groups: 5
Capacity & Material
Mount Material: Metal
Exterier Finish: Plastic
Dimensions
Fits Products Dimensions: 69.2 x 39.3
Filter Thread: 49
Weight
Weight: 160