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Forum: General Discussion Apr 22, 2009, 10:22 AM
Replies: 17
Views: 1,947
Posted By BillDrew
TCav wrote: True, the circle of confusion depends...

TCav wrote: True, the circle of confusion depends on the magnification used in the final image which for the same print size does depend on the format size. The circle of confusion depends on print...
Forum: General Discussion Apr 21, 2009, 8:00 AM
Replies: 17
Views: 1,947
Posted By BillDrew
Slipe's reference makes a good point, though it...

Slipe's reference makes a good point, though it is worth seeing the footnote:

Also nothing in that article contradicts the fact that DoF depends on focal length, aperature, distance, and circle...
Forum: General Discussion Apr 19, 2009, 8:28 PM
Replies: 17
Views: 1,947
Posted By BillDrew
TCav wrote: One way of looking at it if you want...

TCav wrote: One way of looking at it if you want to completely ignore the field of optics - which would be a very strange thing to do when talking about lenses. Would be interesting to see where you...
Forum: General Discussion Apr 19, 2009, 2:53 PM
Replies: 17
Views: 1,947
Posted By BillDrew
bob1841 wrote: Strictly - no. It is due to the...

bob1841 wrote: Strictly - no. It is due to the difference in focal length of the lenses: real focal length, not 35mm equiv. Since the focal length and sensor size are tightly related, it can be said...
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