--- Chris Charlton <c_charlton@xxxxxxxxx> wrote:
> --- Paul Wallich <pw@xxxxxxxxx> wrote: > At 11:00
> Whoooooshhhh..........
>
> (That was the sound of that flying over my head at
> high speed...)
>
> Chris ;o)
Interesting question Chris, and the advise given is
well grounded in both math and practial use....however
don't let the facts stop YOU from experimenting.
Sometimes quite suprising and pleasent results come
from breaking the rules. I think a T-mount type lens
with a focal length of 35mm would be about right. They
are often available for $5 or so but you would need an
T-OM adapter. On many of these lenses you could gain
access to the diaphram fairly easy. Just buy some thin
shim brass at the hobby shop, cut a circle to fit over
the diaphram, and drill a 3/4mm hole in the center of
the brass disc, reassemble the lens and try it out.
Not quite f64 (about f45) but you should get almost
unlimited depth of field...fun fun. John Robison
>
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