Although it’s the first constant-aperture f/1.8 lens for full-frame cameras, there was also the Sigma 18-35mm F1.8 DC HSM Art for APS-C format DSLRs, dating back even further to 2013.

Use a pair of scissors and cut around the edge of the outer circle, then cut tabs every 2cm between the first and second ...

The SIGMA 28-105mm F2.8 DG DN | Art is a surprisingly compact, full-frame, wide-angle to telephoto zoom lens with a fast constant aperture. Available for Sony E-mount and L-Mount, this lens covers ...