Canon has announced the coming availability of the RF400mm f/2.8L IS USM and Canon RF600mm f/4L IS USM, which it admits are optically identical to the original EF designs. The lenses look pretty much identical, save for what appears to be a bright silver built-in RF adapter. Canon is likely to take some heat for […]
Canon has announced the coming availability of the RF400mm f/2.8L IS USM and Canon RF600mm f/4L IS USM, which it admits are optically identical to the original EF designs. The lenses look pretty much identical, save for what appears to be a bright silver built-in RF adapter. Canon is likely to take some heat for […]
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