Tamron AF SP 17-50/2.8 XR Di-II LD IF for Pentax

Internal focusing
Manual focus in AF mode (FTM)
Supports autofocus
No
Filter thread
Yes
Filter diameter
67 mm
Format
APS-C (crop)
Lens mount system
Pentax K
Diameter
73.8 mm
Length
83.2 mm
Product weight
430 g
Tripod mount
No
Weather proof (moisture/dust)
No
Construction
Zoom
Motorised zoom
No
Zoom mechanism
Type of lens
Wide angle, Normal
Focal length (physical)
17 - 50 mm
Image stabiliser
No
Magnification ratio (1:x)
4.5
Maximum aperture (wide-angle - telephoto)
2.8
Minimum focus distance (wide angle-tele)
0.27 m
Lens hood (included/ built-in)
Yes
Release year
2008