The Marshall V-4312FT is a high quality 12 mm f/2.0 lens designed for 1/3-inch industrial board cameras and bullet cams. Marshall designs and produces these lenses for custom applications using the best quality glass and lens coating for no-compromise performance.
Special Micro Mount
The V-4312FT uses a special 12mm x 0.5 thread micro-mount that is compatible with various bullet and board cameras. This model has a full thread barrel for particular OEM cameras. Marshall is one of the few companies that actually designs and produces industrial lenses like this. Though small, they do incorporate the best components, glass composites and anti-reflective coatings.