Tamron 17-50mm f2.8 XR II LD is an Auto Focus (AF)
Standard Zoom lens with APS-C / DX max sensor coverage and it is designed to be used with Pentax KAF mount cameras.
Lens Mount
Tamron 17-50mm f2.8 XR II LD is compatible with cameras that have Pentax KAF lens mount.Some of the latest released cameras with Pentax KAF lens mount are
Pentax KP,
Pentax K-70 and
Pentax K-3 II.
Sensor Coverage
Max sensor coverage of Tamron 17-50mm f2.8 XR II LD is APS-C / DX.
Focal Range
Tamron 17-50mm f2.8 XR II LD has a focal range of 17-50mm and 2.9X zoom ratio. When mounted on a APS-C / DX format camera, it provides an 35mm (FF) equivalent of 25.5 - 75mm.
Body Colour
Black
Zoom Method
Rotary (extending)
Zoom Lock
Tamron 17-50mm f2.8 XR II LD has a Zoom lock feature which eliminates Zoom creep where focal length of the lens changes with gravity when it's held downwards or upwards.
Aperture
Tamron 17-50mm f2.8 XR II LD has a constant max aperture of f2.8 from 17mm all the way to the 50mm .