Stop down to f/2, and this disappears, and the colour is then consistent throughout the range.
However, when photographing a black and white test chart, you do get a slight colour tint as a result of magenta fringing removal. Generally, the level of detail when shooting wide open is very good, with strong contrast, too. There are, of course, a couple of points of weakness. One of my biggest conclusions from reviewing the lens is just how good the performance is across the aperture range. However, for video, it can be a little tricky to do A-B focus pulls due to the non-linear response. For close-up and landscape work, it is excellent when combined with magnified view. The focus ring is fly-by-wire and turns continuously, responding to the speed at which you rotate the ring. It is faster than a 24mm equivalent lens generally needs to be, given that the most likely subject matter will be landscape or travel images.įlowers with Sigma 16mm and Fujifilm X-S10, 1/220s, f/5.6, ISO160, 16mm, Richard Sibley Perceptually it is slower than a more premium lens, lacking that virtually instantaneous snap that you get from top-of-the-range optics, but that is not to say the lens is slow. It snapped in to focus quickly and efficiently with all the speed you need from a wide-angle lens. Unlike most of Fujifilm’s lenses, there’s no aperture ring, so to change this setting you have to use a dial on the camera body. There is minimal text and branding on the barrel, with just a simple small chrome badge with the letter ‘C’ denoting that this is part of the Sigma Contemporary lens line. There are no buttons either, just a very large focusing ring with a ribbed texture. It has the same simple, elegant design that Sigma adopted almost a decade ago. Physically, there is no significant difference between this Fujifilm X version and other versions of the lens that we have seen, aside of course from the mount. The Sigma 16mm lens features a relatively simple, elegant design. Despite its size, though, it pairs nicely with the SLR-style body of the Fujifilm X-S10 that I used to test the lens. A plastic lens hood is included, which has a petal shape to account for the wide-angle field of view. It weighs 405g and measures 92.6mm in length and 72.2mm in diameter, requiring it to have a 67mm filter thread. The lens is a quite hefty for an APS-C format prime, even taking into account its large f/1.4 aperture. Sigma 16mm F1.4 DC DN C Build and Handling
These aspherical elements are also said to help minimise the ‘onion skin’ effect in bokeh and keep sagittal coma flare in check, which will be good news for those wanting to shoot astrophotography images. Two moulded glass aspherical elements help to keep curvilinear distortion to a minimum. Amongst the more exotic elements are three FLD (Fluorite Low Dispersion) glass elements and two SLD (Special Low Dispersion) glass elements, which are designed to reduce chromatic aberrations. Optically, the lens is constructed using 16 elements in 13 groups.
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