Tag Archives: Sigma 17-55mm f/2.8 OS

Sigma Patent For 17-55mm f/2.8 OS Lens


Egami spotted a new patent filed by Sigma. The new patent describes the Sigma 17-55mm f/2.8 OS lens designed for DSLR cameras with APS-c sized sensors. Sigma has several patents filed for a standard APS-C zoom lens with fixed aperture as the Sigma 16-50mm f/2.8 without OS also another pending on the list. As we knowContinue Reading