The SIGMA mm F4 DG OS HSM is a very handy zoom lens that covers the basic shooting range from wide to midtelephoto Moreover, its constant aperture of F4, OS (Optical Stabilizer) and HSM (Hyper Sonic Motor) enhances the lens' usability It is ideal for portraits, landscapes and general photographyThe Sigma mm f/40 DG OS HSM Lens for Sony DSLR Cameras is a premium lens designed for full frame cameras and will also work with APSC sensors with an effective increase in focal length The mm f/4 is a highly versatile focal range and staple everyday lens item 5 SIGMA Art mm F/4 DG HSM (SONY/Minolta A mount) Near MintThe Sigma mm ƒ/4 DG OS HSM "A" is currently available in Canonmount for $9 and ships with a bayonetstyle, petalshaped lens hood, front and rear caps and a soft case Midwest Photo Sigma Mount Converter Mc 11 Canon Ef Mount To Sony E Mount Sigma 24-105mm f4 dg os hsm sony e mount