There are hard stops at both ends of the range, making it easier to set focus at infinity. The Sigma 30mm F1.4 DC A lens has a fairly wide focus ring. The Sigma 30mm F1.4 DC A lens fitted with the supplied LH686-01 lens-hood Focal RangeĪt the 30mm focal length the angle of view is 50.7 degrees. Surprisingly given its price, the Sigma 30mm F1.4 DC A ships with a good quality soft case and also a plastic circular-shaped lens hood. Full-time manual focus override is also available at any time simply by rotating the focus ring.Ī clear distance scale in both feet and meters runs from the closest focusing distance of 0.3m / 0.98 ft to infinity. The main exception is the lack of built-in Vibration Reduction, although the very fast maximum aperture of f/1.4 makes up for this.įocusing is usefully internal and manual focusing is possible when set via the Focus switch on the lens barrel. In terms of features, the Sigma 30mm F1.4 DC A offers all the basics that you need from a standard prime lens. The Sigma 30mm F1.4 DC A lens alongside the Canon EOS 70D The focus ring is wide enough given the size of the lens and ridged for easier grip. The optical elements are made of high-grade glass. It also incorporates a brass bayonet mount that's supposed to be more durable. The lens has a plastic shell with a mixture of metallic parts and a new compound material, TSC (Thermally Stable Composite), used inside. The Sigma 30mm F1.4 DC A lens mounted on a Canon EOS 70Dīuild quality is excellent given the relatively affordable price tag. As seen in the photos below, it complements a camera like the Canon EOS 70D / Rebel T5i very well. Weighing in at 435g and measuring 6.3cm in length, the Sigma 30mm F1.4 DC A is a relatively compact lens given its fast f/1.4 aperture. The Sigma 30mm F1.4 DC A lens is currently available for £499.99 / $499.99 in the UK and the US, respectively. It has a minimum focusing distance of 30cm /11.8in and a maximum reproduction ratio of 1:6.8, while the HSM (Hyper Sonic Motor) ensures a silent, high-speed AF function. The Sigma 30mm F1.4 DC A features a rounded 9 blade diaphragm which creates an attractive blur to the out of focus areas of the image. It offers the equivalent angle of view as a 45mm lens on an APS-C DSLR (depending on the crop factor). The Sigma 30mm F1.4 DC A is a fast standard prime lens that offers a maximum aperture of f1.4.
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