Focal Length : 17 to 55mm (35mm Equivalent Focal Length: 27.2 to 88mm)
Maximum Aperture : f/2.8
Minimum Aperture : f/22
Lens Mount : Canon EF-S
Lens Format Coverage : APS-C
Angle of View : 78o 30' to 27o 50'
Minimum Focus Distance : 1.15' / 35 cm
Maximum Magnification : 0.17x
Optical Design : 19 Elements in 12 Groups
Diaphragm Blades : 7, Rounded
Focus Type : Autofocus
Image Stabilization : Yes
Filter Size : 77 mm (Front)
Dimensions ( D x L) : 3.29 x 4.35" / 83.5 x 110.6 mm
Length at Maximum Extension : 5.55" / 141 mm
Weight : 1.42 lb / 645 g

E-77 II 77mm Lens Cap
Lens Dust Cap E (Rear Lens Cap)