A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Greg Rudzinski
Date: 2019 Apr 23, 12:08 -0700
Here is an archive link that may be useful. The best glue to use is UV activated type. Cut microscope slides to size and shim with pencil leads onto camera UV filters. Sandwich filters with a spacer and you have a weather proof camera bris sextant.