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Re: Possible septum material


  • From: erker@xxxxxxxxxxxxxx (Greg Erker)
  • Subject: Re: Possible septum material
  • Date: Wed, 26 Aug 1998 10:43:47 -0600

>Sounds interesting. One caveat is that things are not always as opaque
>as they seem  ;)
>
>A friend made a replacement dark slide for me (4x5 camera) out of
>a white plastic sheet (styrene? The stuff you can get at hobby stores
>in various thicknesses). He painted both sides flat black. We found
>that a sheet of film put in that holder fogged badly, even though
>you couldn't see a hint of light through it.
>
>So testing is in order...

  If you are only using it to prevent stray
light from the right lens striking the left
film chip (and vice versa) then it doesn't
have to be perfect. Just 4 or 5 stops down
from the scene light striking the film chips.

  Now....if you are going to use it for your
whole bellows, then I'll agree that testin
is in order.

greg