Canon Firmware Updates: EF 400mm f/4 DO IS II & 100-400mm f/4.5-5.6L IS II USM Lenses

Canon released the new firmware update version 1.0.9 for Canon EF 400mm f/4 DO IS II & EF 100-400mm f/4.5-5.6L IS II USM Lenses. You can follow the links below to download the firmware updates. Download links: Canon EF 400mm f/4 DO IS II USM Lens Firmware Version 1.0.9 Firmware Version 1.0.9 incorporates the following enhancements: Fixes a phenomenon, in […]

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