03-13-2016 05:56 PM
Could someone share their thoughts on the Canon 16-35mm f/4 lens? I've read rave reviews on several forums and photographer blogs. I'm torn between this lens and the Sigma Art 1.4. I know that they have very different functions. However, is the low light capacity of the 16-35mm f/4 good enough for lower light situations (not pitch black of course)? My shots will be of people inside buildings, beside campfires, in lower light concerts, possibly some street life shots. I have to choose ($$$) between these two for now, for financial reasons.
Really just wanting to hear your uses and results on these two lenses. I'll have to prioritize.
Thanks!
Scott S
03-17-2016 10:18 AM
DOF is related to the circle of confusion which is dependant on sensor size.
03-18-2016 10:52 AM - edited 03-19-2016 05:26 PM
@kvbarkley wrote:DOF is related to the circle of confusion which is dependant on sensor size.
The CoC constant is used in the DoF calculation, and it is directly related to sensor size.
Like I said, it depends upon your "point of view", lliterally. With everything else being equal, when FF and APS-C body cameras are given lenses of the same focal length, the calculations say that the APS-C sensor has the shallower Depth-of-Field. This is what my first set of DoF tables is showing.
However, when the FF and APS-C cameras are each given lenses with focal lengths [80mm and 50mm] that result in approximately the same Angle-of-View, then the FF camera body will have the much shallower Depth-of-Field. This is what my second set of calculations are showing.
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