Canon has announced the RF 10-20mm f/4L IS STM, a full-frame mirrorless successor to the EF 11-24mm f/4L USM lens for DSLRs launched in 2015. It makes full use of Canon’s full-frame mirrorless RF mount, which the manufacturer claims makes the new optic lighter, smaller, sharper, more feature-packed.
Sigma recently launched the world’s smallest and lightest