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Sigma 18-250mm f3.5-6.3 DC MACRO HSM for Pentax Digital SLR Cameras

Product Description :
18-250mm focal length only compatible with APS-C DSLRs
27-375mm equivalent focal length on APS-C cameras 288-400mm equivalent focal length on Canon APS-C cameras
Micromotor-type AF motor with full-time manual focusing
Image stabilization Up to 4 stops claimed
62mm filters
Available in Canon EF Nikon F DX Pentax KAF3 Sony Alpha Sigma SA mounts