See
http://www.cambridgeincolour.com/tutorials/digital-camera-sensor-size.htm
"Depth of Field Requirements" halfway down.
For macro needing DOF, small format wins.
Jeff
-----Original Message-----
From: Chuck Norcutt [mailto:chucknorcutt@xxxxxxxxxxxxxxxx]
Sent: Thursday, August 05, 2010 5:15 PM
To: Olympus Camera Discussion
Subject: Re: [OM] [OT] - Advice wanted about 5D2
There might be perfectly fine reasons to get a 7D vs 5D Mk II but depth
of field for landscape shots will not be one of them. Although shorter
focal lengths lead to greater depth of field, the larger magnification
required from the smaller sensor leads to lesser depth of field.
Diffraction also places limits and tends to be the equalizer.
**snip
Chuck Norcutt
Moose wrote:
>
> As I am usually working for the opposite of Dawid's shallow plane of
> focus, I've be wondering if a 7D might not be a better step for me
> than 5DII. The 15-85/3.5-5.6 (24-136 eq.) appears to be a very fine
> lens for it.
>
> Multi Mode Moose
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