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P3D Laser pointer focusing

  • From: Tom Martin <tlmartin@xxxxxxxxxxxxx>
  • Subject: P3D Laser pointer focusing
  • Date: Sat, 07 Nov 1998 11:10:15 -0600
Another high tech solution to low light focusing is to use a sonic
measuring tape. They are fairly inexpensive, and some come with LCD or
lighted displays. You can find them in most hardware stores.

Tom Martin
mailto:tlmartin@xxxxxxxxxxxxx


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