Rethinking 4/3 Depth Of Field

Started Apr 11, 2013 | Discussions thread
exdeejjjaaaa
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Re: I can already predict a response.
In reply to danijel973, Apr 11, 2013

danijel973 wrote:

RoelHendrickx wrote:

I can already predict a response by some people likely to chime in here.

They will say that having shallow DOF at one's disposal is never a disadvantage, because if deeper DOF is desired, the aperture can always be stopped down a bit (while it cannot be "stopped up" to make the DOF more shallow than the lens wide-open on the sensor will allow).

Except when you stop down to have similar DoF you're no longer at f/2.8, you're at f/5.6, and then you push ISO up two stops to compensate for speed loss and suddenly you wonder where your "two stop advantage at high ISO" went.

except that in many cases you do not really need exactly the same DOF as you are forced in w/ m43/43 and then you do not need to push ISO 2 stops... so what you are saying is an artificial condition.

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