Allegheny Instruments, Inc.

GeoVISION - Ball Compass Brochure

The GeoVISION Ball Compass attachment mounts to the front of the Standard Stainless Steel, Standard Plastic and Dual-Scan Micro cameras for use in non-ferrous environments. The compass ball is marked at 15-degree increments for a total of 24 marks.  It is capable of depths to 2000 feet (600 meters).