Professional Sigma 70-200mm f/2.8 for Canon EF, constant aperture telephoto zoom at a fraction of first-party pricing.
The Sigma 70-200mm f/2.8 EX is a professional telephoto zoom from Sigma's EX premium series. EX = Sigma's highest build quality designation. This lens was produced in multiple SLR mounts — verify the specific mount from the physical lens before purchasing.
f/2.8 constant maximum aperture. 70-200mm telephoto zoom (full-frame). EX premium build. At approximately 1430g. Mount: verify from physical lens — available in Canon EF, Nikon F, Minolta A, Pentax K, and other mounts.
The Sigma EX 70-200mm f/2.8 is a professional constant-aperture telephoto zoom competing with manufacturer first-party equivalents at lower cost. EX series lenses have substantially better build quality than standard Sigma. Multiple mount versions were produced.
On the used market the Sigma 70-200mm f/2.8 EX is a capable professional telephoto zoom. Condition checks: AF operation, front element, aperture blades, zoom ring. VERIFY MOUNT from physical lens markings before purchasing compatible lenses.