Lens Groups-Elements
5-5
Dimension(Max. Diameter x Length); mm
65.5x42.5
Min. Aperture
22
Min. Focus (shortest distance from image sensor to subject); m
0.3
Weight; g
185.0
Angle of View, attached to APS-C-format camera; degrees
54
Angle of View, attached to 35mm-format camera; degrees
75
Filter Diameter; mm
49
Product Name
28mm F2.8
Circular Aperture
NO
35mm equivalent focal length when used with APS-C sensor camera
42
Max.Magnification
0.13
Aperture Blades
7
Front lens cap
YES
Rear lens cap
YES