SIGMA releases new firmware for the 500mm f/4 DG HSM OS, improves performance with R5 and R6

Last updated: July 9, 2021 12:37 pm

Published: July 9, 2021

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SIGMA has released a firmware update for the SIGMA 500mm f/4 DG OS HSM Sports that improves performance when using the Canon EOS R5 and Canon EOS R6.

It has improved the AF speed when used in combination with the Canon mount adapter EF-EOS R series attached on Canon EOS R5 and EOS R6.

Thanks David

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