![]() 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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