Archived posting to the Leica Users Group, 2009/02/05

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Subject: [Leica] Is the DOF using a digital sensor any different than that of film?
From: pasvorn at boonmark.net (Pasvorn Boonmark)
Date: Thu Feb 5 16:24:43 2009
References: <BLU0-SMTP504288C23B0AA68D8D767D8CC00@phx.gbl>

IMHO, wikipedia has a pretty good write-up on DOF.
You may want to check it out.

  http://en.wikipedia.org/wiki/Depth_of_field

Please also read the "Discussion" tab.

Regarding 50mm f/1 turns into a 100mm f/1, let's keep that out for now. :)

-Pasvorn

On Thu, Feb 5, 2009 at 2:26 PM, Vick Ko <vick.ko@sympatico.ca> wrote:
> Is the DOF using a digital sensor (e.g M8, Pana G1) any different than that
> of film?
>
> In a question on Rangefinder forum, I was asking about using the Pana G1 as
> the most economical way to play "digital M", and got into a discussion on
> "loss of DOF" with digital sensors.
>
> I never understood that. With a crop sensor, isn't it just like shooting
> with a third of the 36 x 24mm frame covered?
>
> The razor thin DOF of my Noctilux is still razor thin, just that the image
> that I'm taking is like cropping it to that of a 100mm lens. Or, to think 
> of
> it another way, my Noctilux becomes a 100mm f1 portrait lens, a focal 
> length
> that once was considered close to perfect for portraits.
>
> And fortunately, with the Panasonic, I see what I'm framing.
>
> Isn't that so, about the DOF?
>
> regards
> Vick
>
> _______________________________________________
> Leica Users Group.
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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?)