Construction: 18 elements in 13 groups
Angle of view: 84 - 23 20' (with full-frame camera)
F stop range: f/4 - f/22
Closest Focusing Distance: 1.48 ft./0.45m
Maximum Magnification: 0.23x
Filter Size: 77mm
Dimensions (Length x Diameter): 4.2" x 3.3" (107mm x 83.5mm)
Weight: 23.6 oz / 670g
Not compatible with Tele Extenders