Archived posting to the Leica Users Group, 1999/07/07

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Subject: Re: [Leica] Noctilux Gloom-Buster VS 75mm f/1.4 ...
From: Mark Rabiner <>
Date: Wed, 07 Jul 1999 12:05:34 -0700 wrote:
> Noct has 1 stop faster but in practice the DOF is *too* shallow for me.  I
> had a devil of a time getting someone's eyes in focus rather than nose or
> ears, and frankly I'd have wished them *all* to be within the range of
> sharpness.><snip>
I'm wondering what the difference would be a say 4 feet away DOF wise
both lenses wide open?
My hunch is the Noct would give you about 1 inch front to back and the
75 would give you 2.
Am I close?
Mark Rabiner