The baseplate has been cut from 8 mm thick aluminium. This thing must have been used in a lab to adjust a LASER beam.
A project log for How to use an aerial 36 inches lens
the different steps involved to shoot with an aerial photographic (enormous) lens when you don't have the airplane to hold it
The baseplate has been cut from 8 mm thick aluminium. This thing must have been used in a lab to adjust a LASER beam.
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