SIGMA DG 700-300mm 1:4-5.6 Lens Used but Excellent Condition Compatible Camera MountsCanon EF: Fits Canon EOS film and digital SLR cameras (APS-C and Full-Frame).Nikon F: Fits Nikon DSLR cameras. (Note: Autofocus on lower-end Nikon bodies like D3000/D5000 series requires a lens with an internal motor, like the motorized version).Sony Alpha / Minolta A: Fits Sony A-mount and legacy Minolta AF SLR cameras.Pentax K: Fits Pentax digital and film SLR bodies.Sigma SA: Fits Sigma's own line of digital SLR cameras.