Sigma AF 100-400mm F/5-6.3 DG OS HSM Contemporary Lens Review


Sigma 100 400mm Front Oblique View

For some applications, such as bird, wildlife and sports photography, a long lens is a must. Most ranges include economical choices up to 300mm, but really something longer is often needed. Increasing the focal length to 400mm results in much higher cost and larger, heavier lenses. However, Sigma has now introduced this 100-400mm Contemporary zoom lens that is reasonably priced, fairly compact for a 400mm and promises a high level of performance. Coupled with the Canon EOS 5DS R for this review, let's investigate further.


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