This is a test of the Canon EF 16-35mm f/2.8 L USM Autofocus Zoom Lens on a star field. This is Canon's very expensive, top-of the line zoom lens that costs about $1,450. The constellation of Cepheus is near the center of the frame, and Cygnus is in the upper right corner.
The EF 16-35mm f/4L IS USM features inner focusing and ring USM for accurate, discreet and speedy AF. It also offers full-time manual focus and has a minimum focusing distance of 0.92 ft./0.28m across the entire zoom range. Built to function even in unfavorable weather conditions, the EF 16-35mm f/4L IS USM is dust-resistant and water-resistant
The fast constant aperture of f/2.8 ensures that photographers can make the most of available light, even in low-light conditions. This, combined with the 9-bladed circular diaphragm, creates beautiful bokeh and adds depth to images. As part of Canon's professional L-series flagship range, the EF 16-35mm f/2.8L III USM is built to last.
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canon ef 16 35mm f2 8 l iii usm