on 10/6/41 7:10 pm, Richard M. Koolish at [email protected] wrote:

>> 
>> Thankyou all for the input on ground glass
>> 
>> Guillermo-
>> 
>> The reason for the ground glass is so that I can view the scene for
>> composition before exposure.  I don't require a necessarily good image, just
>> one for the main lines and masses of the picture.  Your idea of a fresnel
>> sheet is inspired, I shall use it.  I know that pinhole is also about
>> serendipity but I want a little more control over the final image,
>> particularly when one has taken time to find and there is no retake!
>> 
>> I am going to use a viewing pinhole for the ground glass - one that gives me
>> enough light (under a cloth) so I can see the image.  I am not concerned
>> with viewing detail just the main masses.
>> 
>> Alexis
> 
> 
> Why not make a viewfinder instead

Two reasons -

I want to see exactly what the camera will see without parallax error,
particularly for closeup work; to avoid uneccessary croping and make maximum
use of the film surface

I am practicing to make a lens large format camera



Alexis


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