Sigma 300-800mm f/5.6 EX DG APO HSM

Released in 2005, the Sigma 300-800mm f/5.6 EX DG APO HSM is a professional ultra-telephoto zoom lens designed for full-frame DSLR cameras. Known as the “Sigmonster,” it delivers exceptional reach and image quality with two ELD glass elements, internal zooming, and a constant f/5.6 aperture throughout the zoom range. Its Hyper Sonic Motor (HSM) ensures fast, quiet autofocus, making it a top choice for wildlife, sports, and surveillance photography.