[Leica] Is the DOF using a digital sensor any different than thatof film?

[sethrosner at nycap.rr.com (Seth Rosner)]

Got it, Henning; thanks

----- Original Message ----- 
From: "Henning Wulff" <henningw@archiphoto.com>
To: "Leica Users Group" <lug@leica-users.org>
Sent: Saturday, February 07, 2009 4:13 PM
Subject: Re: [Leica] Is the DOF using a digital sensor any different than 
thatof film?


> Seth, DoF does depend on format as it's perceived in the final print.
> Larger formats don't have to be enlarged as much, so the DoF in the
> negative can be larger for the same effect.
>
> The combination scales were on standards that were intended for
> multiple formats; on my main standard which came with a 4x5-p, it
> only had the 4x5 standard but when I got an 8x10 frame and bellows I
> also got a larger rear standard (not always necessary) and stick on
> DoF scales (actually, depth of focus scales) for 4x5, 5x7, 8x10 and a
> combination that had all three. It indicated (correctly) that the
> depth of focus for an 8x10 image was the same at two stops wider than
> that for 4x5.
>
>
>
>
>
> At 8:22 AM -0500 2/7/09, Seth Rosner wrote:
>>Henning, I've never done LF but as I have always understood it, DOF
>>doesn't relate to format size but to the lens' focal length and the
>>distance of subject to film plane.  So I don't understand the Sinar
>>DoF scales relating to formats. On the other hand, a combination
>>scale would make sense.
>>
>
> -- 
>
>    *            Henning J. Wulff
>   /|\      Wulff Photography & Design
>  /###\   mailto:henningw@archiphoto.com
>  |[ ]|     http://www.archiphoto.com
>
> _______________________________________________
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