Sigma 50-500mm f/4-6.3 EX DG HSM APO RF Telephoto Zoom Lens for Canon SLR Cameras
Sigma 50-500mm f/4-6.3 EX DG HSM APO RF Telephoto Zoom Lens for Canon SLR Cameras
Great lens for a great price Customer Reviews:
The auto focus is super quiet and reasonably fast in most situations, although mounted on my D30 it does get confused in complex lighting. This is a BIG and HEAVY lens. I use the neck strap provided with the lens, as well as the strap on the camera at the same time. Although I’m probably overcautious, I don’t trust the weight of the lens hanging from the camera without extra support. Mounted on a monopod, it is well balanced although following birds in flight presents a challenge. Optically, it’s truly beautiful through all f stops. It looks like it will take any abuse I can reasonably give it, being solidly constructed and manufactured to very precise tolerances. I wanted a quality super telephoto and I got one at a great price.
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