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Continue to ChatSigma 135mm f/2 DG OS Art Coming? [CR1] https://www.canonrumors.com/sigma-135mm-f2-dg-os-art-coming-cr1/
Sigma 135mm f/2 DG OS Art Coming? [CR1] https://www.canonrumors.com/sigma-135mm-f2-dg-os-art-coming-cr1/