Out of the five new lenses Sigma announced across its Art, Contemporary and Sports ranges at Photokina 2018, there was one that really caught my eye. The Sigma 60-600mm f/4.5-6.3 DG OS HSM Sport replaces the discontinued Sigma 50-500mm f/4.5-6.3 DG OS HSM – an extremely popular zoom that has picked up the nickname ‘Bigma’ over the years because of its long, heavy and thickset body.
With a maximum reach of 600mm, it’s easy to associate Sigma’s latest long telephoto zoom with the company’s 150-600mm f/5-6.3 DG OS HSM Sport, but just like the Bigma of old, it has a significant advantage in that it has a shorter minimum focal length.
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https://www.amateurphotographer.co.uk/reviews/lenses/sigma-60-600mm-f-4-5-6-3-dg-os-hsm-sport-field-test