Tamron 17-35mm F2.8 – 4 ( Canon Mount) Specs

Principal specifications
Lens type Zoom lens
Max Format size 35mm FF
Focal length 17–35 mm
Image stabilisation No
Lens mount Canon EF, Nikon F (FX)
Aperture
Maximum aperture F2.8 – F4.0
Minimum aperture F22.0
Number of diaphragm blades 7
Optics
Elements 14
Groups 11
Special elements / coatings 3 hybrid aspherical elements and 1 LD element
Focus
Minimum focus 0.30 m (11.81)
Autofocus Yes
Motor type Micromotor
Full time manual Unknown
Focus method Internal
Focus notes screw drive for nikon mount
Distance scale Yes
DoF scale Yes
Physical
Weight 440 g (0.97 lb)
Diameter 83 mm (3.28)
Length 87 mm (3.41)
Colour Black
Zoom method Rotary (extending)
Zoom lock No
Filter thread 77 mm
Hood supplied Yes
Hood product code flower shaped hood
Tripod collar No