[Dan K] had just such a lens from Sigma, but wanted to get it working fully with a camera using the Canon EF lens fitting. Hacking ensued. The lens in question was a Sigma 15-30mm f/3.5-4.5 EX DG ...
The new Laowa 12-24mm f/5.6 Zoom Shift is an APS-C lens that offers some pretty remarkable features – starting with that 102.5°-63.9° angle of view coverage, coupled with a constant f/5.6 aperture ...
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