05-15-2008, 02:24 PM
|
 |
dPS +1000 Club
|
|
Join Date: Feb 2008
Location: Edinburgh
Posts: 1,035
|
|
Quote:
Originally Posted by wulf
How far away was the subject and how much further was the background? According to the background, P&S f/4 is equivalent to DSLR f/16. Taking your focal length as directly comparable and assuming you were 1' away, I would have a DoF of about 1" and plenty of scope for bokeh if tried my D40 on the same subject at f/16 (using an online DoF calculator). Even stopped down to f/32 the DoF would be only about 2" at that distance (although diffaction would be causing noticeable problems by that point).
...
Wulf |
Indeed. IIRC the below was taken at f/16 on a 100mm macro lens fitted to a 300D. Magnification about 0.5x.
__________________
Andrew - My pics on Flickr
Canon 7D, 24mm f/2.8, 50mm f/1.4, MP-E 65mm macro, TS-E 90mm, 100mm macro
|