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Principal specifications
Lens type
Zoom lens
Max Format size
APS-C / DX
Focal length
17–50 mm
Image stabilisation
No
Lens mount
Canon EF, Pentax KAF, Sony Alpha, Nikon F (DX)
Aperture
Maximum aperture
F2.8
Minimum aperture
F32.0
Aperture ring
No
Number of diaphragm blades
7
Aperture notes
circular aperture
Optics
Elements
16
Groups
13
Special elements / coatings
2 hybrid aspherical elements 1 LD (Low Dispersion) glass element 1 XR (Extra Refractive) element
Focus
Minimum focus
0.27 m (10.63″)
Maximum magnification
0.22 x
Autofocus
Yes
Motor type
Micromotor
Full time manual
Unknown
Focus method
Internal
Distance scale
Yes
DoF scale
Yes
Physical
Weight
430 g (0.95 lb)
Diameter
74 mm (2.91″)
Length
82 mm (3.22″)
Colour
Black
Zoom method
Rotary (extending)
Zoom lock
Yes
Filter thread
67 mm
Hood supplied
Yes
Hood product code
flower shaped hood
Tripod collar
No
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