Archived posting to the Leica Users Group, 2009/02/08

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Subject: [Leica] Is the DOF using a digital sensor any different than thatof film?
From: sethrosner at nycap.rr.com (Seth Rosner)
Date: Sun Feb 8 09:21:31 2009
References: <BLU0-SMTP504288C23B0AA68D8D767D8CC00@phx.gbl><9b678e0902051925v4dd7d486pd58bff41a6434fae@mail.gmail.com><BLU0-SMTP472FC431CEE402999C8AAB8CC10@phx.gbl><4cfa589b0902061752h78cf5434t1463edeebf766efd@mail.gmail.com><F46DBF5D-217F-4700-B586-0548289A497C@mac.com><328D0131D1C4477ABF8F1E596F2EBF75@jimnichols><5DF476A4-3966-4483-9422-72118350C227@mac.com><CD6A702A-8C56-4477-88A9-41DB82BC4DB5@mac.com> <p06230901c5b2f60ddd29@[10.0.1.199]><D75D416CEDD54AB3A60DBBFAC0CD7BC5@D1S9FY41> <p06230903c5b3a899c53b@[10.0.1.199]>

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
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information


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In reply to: Message from vick.ko at sympatico.ca (Vick Ko) ([Leica] Is the DOF using a digital sensor any different than that of film?)
Message from don.dory at gmail.com (Don Dory) ([Leica] Is the DOF using a digital sensor any different than that of film?)
Message from vick.ko at sympatico.ca (Vick Ko) ([Leica] Is the DOF using a digital sensor any different than that of film?)
Message from abridge at gmail.com (Adam Bridge) ([Leica] Is the DOF using a digital sensor any different than that of film?)
Message from imagist3 at mac.com (George Lottermoser) ([Leica] Is the DOF using a digital sensor any different than that of film?)
Message from jhnichols at lighttube.net (Jim Nichols) ([Leica] Is the DOF using a digital sensor any different than thatof film?)
Message from imagist3 at mac.com (George Lottermoser) ([Leica] Is the DOF using a digital sensor any different than thatof film?)
Message from imagist3 at mac.com (George Lottermoser) ([Leica] Is the DOF using a digital sensor any different than thatof film?)
Message from henningw at archiphoto.com (Henning Wulff) ([Leica] Is the DOF using a digital sensor any different than thatof film?)
Message from sethrosner at nycap.rr.com (Seth Rosner) ([Leica] Is the DOF using a digital sensor any different than thatof film?)
Message from henningw at archiphoto.com (Henning Wulff) ([Leica] Is the DOF using a digital sensor any different than thatof film?)