The already existing TTartisan 17mm f/1.4 APS-C manual focus lens is now updated and available also for Canon RF-mount. This is an interesting development since Canon has been forcing some third-party lens manufacturers to stop selling mirrorless lenses for RF-mount: Canon Germany on third-party Viltrox lenses: “Canon believes that these products infringe their patent and … Continue reading Surprise: TTartisan releases a new 17mm f/1.4 lens for Canon RF-mount