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Digital Photography

Firmware: Canon EF 200-400mm f/4L IS 1.4x v1.1.0

on May 8, 2018

Canon has released new firmware for the EF 200-400mm f/4L IS 1.4x. Changes in firmware Firmware Version 1.1.0 is incorporated with the following correction. Corrects a phenomenon in which the subject may not be in focus on some occasions when using this lens with some camera models (*) and performing AF shooting from approximately 3m

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Firmware: Canon EF 200-400mm f/4L IS 1.4x v1.1.0


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