Sigma 18-125mm F3.8-5.6 DC HSM is an Auto Focus (AF)
SuperZoom lens with APS-C / DX max sensor coverage and it is designed to be used with Pentax KAF3 mount cameras.
Lens Mount
Sigma 18-125mm F3.8-5.6 DC HSM is compatible with cameras that have Pentax KAF3 lens mount.Some of the latest released cameras with Pentax KAF3 lens mount are
,
and
.
Sensor Coverage
Max sensor coverage of Sigma 18-125mm F3.8-5.6 DC HSM is APS-C / DX.
Focal Range
Sigma 18-125mm F3.8-5.6 DC HSM has a focal range of 18-125mm and 6.9X zoom ratio. When mounted on a APS-C / DX format camera, it provides an 35mm (FF) equivalent of 27 - 187.5mm.
Zoom Lock
Sigma 18-125mm F3.8-5.6 DC HSM 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
Sigma 18-125mm F3.8-5.6 DC HSM has a max aperture of f3.8 at 18mm and max aperture of f5.6 at 125mm .