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Message: <blockquote data-quote="rocketman122" data-source="post: 159199" data-attributes="member: 14443">Very nice examples. But I thought the dof would be the same because the focal length was equivalent (more or less) but i see it simply isn't so. Is it because the 135 lens property and the way its built that simply has a more blurred bokeh? Btw, is it the 135dc in those pics?if we took sigmas 70mm for dx and the 105mm they have for the ff would the dof be the same?you said the dof should be the same if the lens had the equivalent focal length but like you said I noticed its aprx one stop in dof (with the pics shown above) and that's a lot. One stop can mean the success or failure of a picture at times.</blockquote>