Evolution of the BazookaSPECT detector. (a) Original BazookaSPECT detector configuration using two lenses coupled in a
× macro-photography configuration with a Spiratone 400 mm, F/6.3 telephoto lens and a Nikon 50 mm, F/1.2 lens to image a 25-mm diameter image intensifier onto a 1/3″ CCD. (b) Recently developed compact BazookaSPECT detector which uses a single, Fujinon 6mm, F/1.2 lens to image a 50-mm input/40-mm output image intensifier onto a 1/3″ CCD. (c) Compact BazookaSPECT detector using a Fujinon 6mm, F/1.2 lens to image a 25-mm diameter proximity focus, 2-MCP intensifier onto a 1/3″ CCD.