Canon EF 200-400mm F/4L IS 1.4X Firmware Update V1.1.0 Released
Canon released the new firmware update version 1.1.0 for Canon EF 200-400mm f/4L IS USM Extender 1.4x Lens. You can follow the links below to download the firmware update: Download links: Canon EF 200-400mm f/4L IS USM Extender 1.4x Lens Firmware Version 1.1.0 Firmware Version 1.1.0 is incorporated with the following correction. Corrects a phenomenon in which the subject may […]
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