Third Party Lenses Sigma Readying Two New EF Lenses for Photokina? [CR1] Canon Rumors Posted onAug 7, 2018 at 4:06 PM 21 Comments Reliable Sigma rumors have always been hard to come by over the years, but we’re starting to hear more and more from people about Sigma’s Read more… Comments (21 posts) Share on Facebook Share on Twitter Share on Google+