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Sigma 17-40mm f/1.8 DC | A review: a properly go-faster zoom lens that leaves others trailing in its wake
I’ve not seen an APS-C lens quite like Sigma 17-40mm f/1.8 DC | A since back in 2013, when the company took me by surprise and launched the Sigma 18-35mm f/1.8 DC HSM | A. From the company’s ‘Art’ ...
Digital Camera World on MSN
Canon wants to make zooms more compact. But what is a catadioptric lens?
Canon has patented a bunch of lenses with mirrors for full frame cameras and I’ve made some educated guesses why ...
Canon is offering up some holiday treats as we head into winter. The company has announced two new full-frame RF lenses, one APS-C RF lens, a Power Zoom Adapter, and firmware updates for the EOS C70 ...
If you have ever played around with lenses, you’ll know that a convex lens can focus an image onto a target. It can be as simple as focusing the sun with a magnifying glass to burn a hole in a piece ...
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