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

At 01:32 PM 10/30/2004, Richard Knoppow wrote:

>The ratio of the diagonals is about 3.9. This is the factor
>to multiply a 35mm lens by to get the equivalent 4x5 focal
>length or to devide the 4x5 lens by to get the equivalent
>35mm FL.


And thanks to you too Richard.

:-)

Jim 

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