Re: ? and 4 x 10 point and shoot
John Sparks (sparks@col.hp.com)
Fri, 30 Jun 95 17:12:11 -0600
>-> > Is this (or a simplified version)
>-> > something an ORDINARY lunatic could in fact make, or is it another
>-> one > of your advanced ploys (like making a "simple" pinhole with
>-> laser & > microscope)!?!?
>->
>-> The only thing this relies on is a good lens - I happen to have one
>-> or two modern lenses that should (one does, the other might) cover
>-> 4x10 although not 8x10 so this might be an interesting thing to
>-> explore. It's rapidly becoming obvious to me that I'll end up with a
>-> camera that makes larger negatives at some point - contact prints can
>-> be *so* nice.
>
>If it covers 10" (as in 4x10") it should cover 8" (as in 8x10")
> ^^ ^
>Isn't it?
>
>After all the lens' image circle is a "circle" not an oval.
Actually, you need to cover the diagonal of the film (the real longest
dimension). So for 4x10, it's about 10.8" and for 8x10 it's about 12.8".
John Sparks