Lens Mount: Canon EF
Focal Length: 35mm
Maximum Aperture: f/1.4
Lens Construction: 14 elements in 11 groups
Diagonal Angle of View: 63°
Focus Adjustment: AF with full-time manual
Closest Focusing Distance: 0.92 ft./0.28m
Filter Size: 72mm
Max. Diameter x Length, Weight: 3.2 x 4.2 in., approx. 26.8 oz. 80.4 x 105.5mm, approx. 760g