Yes. Focal length, f/stop and allowable circle of confusion are the sole determiners of
DOF. All lenses for 35mm cameras of the same focal length and at the same f/stop will
have
the same DOF. It's a physical thing.
Regards,
Bob...
-------------------------------
Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a
well-armed lamb contesting the vote!
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, February 08, 2001 11:34 AM
Subject: Re: OT: Canon fast lenses (was: Re[2]: AdaptAll?)
> Also, a question; as DOF deepens the more you stop down a lens, would a 1.0
> lens, perhaps because of all that much more glass available, have a
> proportionately better DOF at say 1.2, 1.4, 1.7, 2.0, etc, etc??
> Skip
>
>
> AFAIK all 50mm lens at ie f4 will have the same dof (as all 100mm or 135mm or
> whatever, at the same f stop, the same dof) I think it's sort of a phisic rule.
> Of course, bokeh, sharpness and contrast are other issues....
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