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Sony FE 400mm f/2.8 GM OSS
Only 6.4 lb / 2.9 kg! 3 Fluorite Elements, 1 ED Element, nano coating, 11 blade diaphragm, weather sealed

Sigma 50mm f/1.4 DG HSM A: Dual-Focus Aperture Series: Tuolumne River Cascade (Canon 5D Mark III)

Sigma 50mm f/1.4 DG HSM A

Get Sigma 50/1.4 DG HSM at B&H Photo: Nikon, Canon, Sony A-mount, Sigma SA-mount

This scene includes a dual-focus aperture series from f/1.4 through f/16 with include HD and UltraHD images for all, an UltraHD crop and other generously sized crops.

It is also instructive in how the choice of focus affects sharpness, aberrations (point spread function), color aberrations, visual impact—near and far.

Nikon or Canon or any brand, this dual-focus study is worth viewing.

Sigma 50mm f/1.4 DG HSM A: Aperture Series: Tuolumne River Cascade (Canon 5D Mark III)

Nikon and Canon surely have some homework to do on their normal lenses, which can at best be said to be mediocre in the context of the Sigma 50mm f/1.4 DG HSM A.

Tuolumne River Cascade
Canon 5D Mark III + Sigma 50mm f/1.4 DG HSM @ f/1.4

See also Canon wishlist
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