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 Read more... The post SIGMA releases new firmware for the 500mm f/4 DG HSM OS, improves performance with R5 and R6 appeared first on Canon Rumors - Your best source for Canon rumors, leaks and gossip....
Published By: Canonrumors - Friday, 9 July, 2021