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Sigma 311101 50mm F1.4 DG HSM Art Lens for Canon, Black

£9.9£99Clearance
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Optically this lens is extraordinary —but so are the Nikon 50mm f/1.4 G, Nikon 58mm f/1.4 G and Canon 50mm f/1.2 L. This Sigma lens is a little sharper on the test range, and has less distortion than any other f/1.4 or f/1.2 lens —but I'd never see any difference in real-world shooting. In terms of avoiding flares and chromatic aberration, this lens is a beast. My night shots in Old Montreal did give some flare around blown-out lamp posts. But this is to be expected, and the lens handled it well. This new lens has aleady been the subject of a great deal of hype. We heard whispers from Sigma months ago of just how good its new lens was going to be. Obviously, we take any comments from manufacturers with a large pinch of salt, but claims of it matching, and bettering, some of the classic 50mm lenses have got us very excited. Sigma 50mm f/1.4 DG HSM | A review – Build and handling The bokeh rendering capability of the lens is quite pleasing for a 50mm prime. Highlight shapes do show defined transitions, but they do not look distracting as on some lenses. The dreaded onion-shaped bokeh that I showed on the Sigma 35mm f/1.4 Art is barely visible when photographing extremely bright points of light. Below are two comparisons that illustrate bokeh rendering capabilities of the following lenses: Sigma 50mm f/1.4 DG HSM Art, Sigma 50mm f/1.4 EX DG HSM, Nikon 50mm f/1.4G and Nikon 58mm f/1.4G. Here is the first comparison that shows bright highlights:

In this box sits the case with the lens and hood inside. The case is the padding - there is no foam. In the box, you’ll immediately see that the lens has a hood and a protective case with a belt loop. For comparison, the Canon equivalent comes with neither. The Sigma 50mm f/1.4 is astoundingly sharp at every setting. You just need to be sure it's in focus and that nothing moves. The only way to see any optical difference between these is if you're shooting test charts at f/1.4 and looking in the far corners. If not, Nikon and Canon's least expensive 50mm f/1.8 lenses offer images just as sharp, and also without any distortion in the case of the Nikon 50/1.8 AF-D. It feels well-built and able to handle the stress of daily use that professionals demand. And it has a single switch on its left side. This is used to switch between auto and manual focus.

Sigma 50mm f/1.4 DG HSM | A reveiw – Image quality

Detailed specifications for the lens, along with MTF charts and other useful data can be found in our lens database. NIKON D700 + 50mm f/1.4 @ 50mm, ISO 320, 1/4, f/8.0 Lens Handling and Build

This set of graphs is one of the best that we have seen from any lens that has been through our new lens test. At f/5.6, centre resolution is better than in all of the 12-50mm lenses we tested in our round-up in AP 20 July 2013, as is vignetting. As can be seen in the shading diagram, the vignetting grid is almost flat, showing little difference between centre and edge brightness. The distortion graph shows slight pincushion distortion, whereas most 50mm lenses suffer from barrel distortion. However, it is so minimal that it should be of no concern. This lens is on a par with the best 50mm optics we have tested. Sigma 50mm f/1.4 DG HSM | A – Our verdictThe lens has a certain plastic feeling. But overall, it’s a durable lens. The handling of this glass is pretty good. The rubber elements, like the focusing ring and the grip, provide a steady hold. The particles in the air you see in the above image are dust, pollen and other debris flying all over due to windy conditions and cars passing by. Canon EOS 6D + 50mm @ 50mm, ISO 200, 1/80, f/5.6 The front element features Sigma’s water and oil repellent coating, which is designed to repel water drops and provide resistance to fingerprints

It tips the scales at 1.8 lb (815 g). And it measures 3.9 inches (99.9 mm) in length. So the casual hobbyist might find it a bit too much lens to carry around. The Sigma 50mm 1.4 DG HSM has been redesigned and re-engineered to set a new standard for the Art line. The 50mm f/1.4 DG HSM Art lens isn’t designed to be a budget option. It’s actually designed to be a step up. Sigma is positioning this lens as a top-of-the-line lens for people who want the best.Chromatic aberration is the lens' inability to focus on the sensor or film all colours of visible light at the same point. Severe chromatic aberration gives a noticeable fringing or a halo effect around sharp edges within the picture. It can be cured in software. It has threads to accept 77mm filters. This 77mm thread does not rotate after focusing (similarly to the Canon L variant). This is ideal for those who like ND and CPL filters on their lens.

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