
Canon Patent: 135mm f/2, 400mm f/4 and 50mm f/2.5 defocus smoothing
New Canon Patent applications filed for a set of RF mount lenses with electronically controlled Defocus Smoothing (DS). Defocus Smoothing is…
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New Canon Patent applications filed for a set of RF mount lenses with electronically controlled Defocus Smoothing (DS). Defocus Smoothing is…