SIGMA 17-35mm F2.8-4 Aspherical EX PENTAX K mount lens.
It's for Auto Focus / Manual PENTAX cameras.
It has super clean glass always been protected with filter no marks no scratch on the lens, no fungus no haze inside.
It works fine with no issues, comes with caps, hood and filter.
Filter size: 82mm
LENS MADE IN JAPAN.