The Sigma 23mm F1.4 DC DN Contemporary ($549) turns the company's value-minded F1.4 Contemporary trio into a quartet, with an angle that sits comfortably between the wide 16mm F1.4 and the standard 30mm F1.4 (a $479 56mm F1.4 finishes off the set). Like the others, it's light on flair with a basic black polycarbonate finish, but is capable of snapping razor-sharp photos with softly defocused backgrounds. We like it enough to recommend it as an Editors' Choice winner, especially for Sony APS-C cameras versus the aging Zeiss 24mm F1.8 ZA ($1,099.99).F1.4 for APS-C As with other lenses with the DC DN designation, the 23mm F1.4 Contemporary's optical formula is made for APS-C format sensors. In full-frame terms, that makes its angle of view similar to a 35mm prime, a favorite focal length for street photography and reportage. The image circle isn't big enough to cover full-frame chips, so Sigma is able to deliver sharp, bright optics in a satisfyingly lightweight form. The 23mm F1.4 m...
The Sigma 23mm F1.4 DC DN Contemporary lens for APS-C cameras snaps exceptionally sharp photos and easily blurs backgrounds.
Lightweight prime with fast aperture; Exceptionally sharp results; Speedy, quiet autofocus; Some dust and splash protection; Available for Fuji X, L-Mount, and Sony E systems
Few on-barrel controls; Focus breathing is evident; Shows false color in highlights and bokeh