Archived posting to the Leica Users Group, 2000/06/05

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Subject: Re: [Leica] more d.o.f. with asph?
From: Mark Rabiner <mark@rabiner.cncoffice.com>
Date: Mon, 05 Jun 2000 12:37:35 -0700
References: <B561B5E2.F1DB%deadman@jukebox.demon.co.uk>

John Brownlow wrote:
> 
> > 2000-06-05-00:40:03 Christer Almqvist:
> >> ..... I get the impression that the depth of field with the asph lens is
> >> much wider (or larger or deeper or whatever) than with the comparable
> >> pre-asph lens.
> 
> My impression FWIW is that I get less *perceived* dof with the asph 35/1.4
> wide open, because some of it is actually sharp! The pre-asph had many
> wonderful qualities but sharpness wide open was not really one of them, with
> the result that there was so much glow and confusion, the dof was quite hard
> to work out. Or, in another sense, I suppose it had zero d.o.f! So maybe
> you're right.
> 
> --
> Johnny Deadman
> 
If you want increased DOF just put a Tiffen #3 fog filter over the lens. It
wound matter what distance you set the lens at! It all looks the same!
Mark Rabiner
been 20 years since i've touched one. reformed!

In reply to: Message from John Brownlow <deadman@jukebox.demon.co.uk> (Re: [Leica] more d.o.f. with asph?)