The Sigma 24mm f/1.4 Art lens is a professional-grade wide-angle lens part of the overall Art-series by Sigma, which are great budget-friendly alternative to similar, and more expensive Canon, Nikon, and Sony lens options. The lens I use includes the Canon EF-mount, which I can also use on my RF-mount Canon EOS Ra using a Canon EF – EOS R
Dimensions. 147 x 99 x 48 mm. Weight. 760 g. The Canon EF is a manual focus 35mm single-lens reflex camera produced by Canon between 1973 and 1978. It was compatible with Canon's FD-mount lenses. The EF was built as an electro-mechanical version of Canon's top-of-the line wholly mechanical Canon F-1. The shutter is mechanical at all speedsThe EF 50mm f/1.8 ($125.00 at Amazon) is a small, light lens. It measures 1.6 by 2.7 inches (HD), weighs just 5.7 ounces, and supports 49mm front filters. Canon doesn't include a lens hood, but
At launch 1997 Canon wrote this regarding Canon EF 24mm F1.4 L USM : "The fastest wide angle L lens in its class with excellent definition. The first EF lens uses a ground and polished aspherical glass lens element and a UD (Ultra-low Dispersion) glass lens element simultaneously, in order to achieve a large f/1.4 aperture and superb optical
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