At 3:24 PM -0400 10/28/99, John Hermanson wrote:
>Model Railroader Magazine did an article a few years ago, demonstrating how
>to install a pinhole diaphragm inside a lens at nearly the same plane as the
>regular diaphrag,. It was made of shim brass and suspended on spider legs
>in front of the blades. When the lens was wide open, light would pass
>around the pinhole setup and allow you to compose.
>When you took a picture (always with the lens set to f16), the auto
>diaphragm would close and only the pinhole would let light through. I set
>up a 28 and 35 f2.8 with this and it can even be used with ttl flash (you
>have to use atleast 2 T32s at once at close range). Depth of field was
>extremely wide and focusing in the traditional way is unecessary.
>
So, is this a new service you're offering? <g>
Be seeing you.
Dirk Wright
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