Sigma seems to be busy adapting all their Art lenses to the Sony E-mount system. Licensing the mount design to third party lens manufacturers will ensure that the lack of lenses will no longer be a reason to reject Sony Alpha series of mirrorless full-frame cameras. The Sigma 24 mm f/1.4 DG HSM Art lens that we are testing here is the new Sony E-mount version of the same lens that was announced in 2015.
Design and Build Quality
All Sigma Art lenses provide a sturdy feel, and this lens is no exception. It is crafted beautifully in metal with polycarbonate exterior. A glossy back neck section adds a touch of premium feel to the usual matte finished black design. The focus ring and the adjoining area have grooves to provide extra grip. The lens has a focus selector switch, though it allows full-time manual override. The focus distance scale window provides a depth-of-field scale (calibrated for f/8 and f/16) in addition to displaying the distance in feet and metres. Sigma provides a petal-shaped lens hood with the lens. The lens is made in Japan.
The Sigma 24 mm f/1.4 DG HSM Art lens is constructed with 15 elements in 11 groups including four SLD (Special Low Dispersion), three FLD (‘F’ Low Dispersion, which offers performance at par with Fluorite glass element) and two aspherical elements. These elements help to minimise aberrations and distortion. One of the aspherical elem