[pure-silver] Re: Depth of Field (35mm vs. 4x5 or 8x10)

This will change the perspective, and I understood that he wanted to keep
that.





Regards



Ralph W. Lambrecht




On 10/29/04 6:45 PM, "Jim Brick" <jim@xxxxxxxxx> wrote:

> If you wish to put the exact same image filling the 4x5 film as you have
> filling a 35mm frame, you have to move the 4x5 camera closer. If the 35mm
> camera is 100' from the subject, you have to move your 4x5 camera with
> 210mm lens to 12.5' from the subject in order to fully frame the same
> subject in both cameras. This is 16 times closer to the subject and is the
> equivalent of losing four stops of DOF. Shoot at f/11 on both cameras, your
> DOF on the 4x5 is equal to shooting at f/2.8 on the 35mm camera. Basically
> a disaster.

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