Tag: Sigma 24-70mm F2.8 DG OS HSM A017

Sigma just patented two F1.2 lenses for MFT and released firmware updates for several products

Once again Sigma has patented two lens designs for the micro four thirds mount. This time around the designs pertain to two extremely fast primes with f/1.2 aperture, a 14mm f/1.2 and a 35mm f/1.2. As is to be expected with extremely fast lenses such as these, the designs are very complex with 17 and ...