Question clarfication:I want to assume that the lens is constant (ie. 50mm 1.8, Canon EF). Will my results for dof and bokeh be the same, just a different crop? Or will the dof and bokeh be reflected as a 75mm 1.8 lens? I'd love to agree with Gunn3r, but it's not so simple.
With the 1.5 crop, you'll be using wider angels than with film. So if you use a 135mm lens for portraits, you'd have to switch to an 85mm lens on a 1.5 fov crop dSLR. With Nikon lenses, this would actually improve bokeh ;-) On the other hand, if you already used 85mm with film, you'd have a bit of a problem.
So dof and bokeh WILL change, in so far as the crop factor forces you to make different lens selections. how good the bokeh looks mostly is lens related and not full frame/crop related |