A radiation camera system comprising: (a) radiation sensor/detector, RSD; (b) coded camera aperture mask, CAM; (c) CAM ID Hall-effect reader, CIR; (d) mask rotation motor, MRM; (e) rotation detection optical sensor, RDS; (f) radiation camera enclosure, RCE; and (g) computing control device, CCD; wherein: said radiation camera enclosure is configured to mechanically couple said radiation sensor/detector, said coded camera aperture mask, said mask rotation motor, said rotation detection optical sensor, and said computing control device; said coded camera aperture mask is configured to cover said radiation sensor/detector and collimate radiation external to said radiation camera enclosure that is presented to said radiation sensor/detector; said mask rotation motor is configured to rotate said coded camera aperture mask under direction of said computing control device; said coded camera aperture mask further comprises coded identification indicia; said coded identification indicia comprises a series of magnet inserts on a unique coded camera aperture mask identification and aperture mask type; said CAM ID Hall-effect reader is configured to read said coded identification indicia and transmit said unique coded camera aperture mask identification and said aperture mask type to said computing control device; said coded camera aperture mask further comprises a plurality of rotation indicia that identify the current rotation angle of said coded camera aperture mask; said plurality of rotation indicia are formed as peripheral notches on the coded camera aperture mask or are formed as a plurality of uniform square edges machined on an associated ball bearing support, said plurality of rotation indicia being configured such that, when said coded camera aperture mask is rotated, the plurality of rotation indicia provide a clock with enough time intervals to detect the presence or absence of said coded identification indicia; said rotation detection optical sensor is configured to detect said plurality of rotation indicia; said computing control device is configured to capture detected radiation data from said radiation sensor/detector and transmit said detected radiation data via a digital communications medium, to a host computer system; said computing control device is configured to receive rotation commands from said host computer system via said digital communications medium and activate said mask rotation motor in response to said rotation commands; and said computing control device is configured to capture rotation data from said rotation detection optical sensor and transmit said rotation data via said digital communications medium to said host computer system. (a) radiation sensor/detector, RSD; (b) coded camera aperture mask, CAM; (c) CAM ID Hall-effect reader, CIR; (d) mask rotation motor, MRM; (e) rotation detection optical sensor, RDS; (f) radiation camera enclosure, RCE; and (g) computing control device, CCD; said radiation camera enclosure is configured to mechanically couple said radiation sensor/detector, said coded camera aperture mask, said mask rotation motor, said rotation detection optical sensor, and said computing control device; said coded camera aperture mask is configured to cover said radiation sensor/detector and collimate radiation external to said radiation camera enclosure that is presented to said radiation sensor/detector; said mask rotation motor is configured to rotate said coded camera aperture mask under direction of said computing control device; said coded camera aperture mask further comprises coded identification indicia; said coded identification indicia comprises a series of magnet inserts on a unique coded camera aperture mask identification and aperture mask type; said CAM ID Hall-effect reader is configured to read said coded identification indicia and transmit said unique coded camera aperture mask identification and said aperture mask type to said computing control device; said coded camera aperture mask further comprises a plurality of rotation indicia that identify the current rotation angle of said coded camera aperture mask; said plurality of rotation indicia are formed as peripheral notches on the coded camera aperture mask or are formed as a plurality of uniform square edges machined on an associated ball bearing support, said plurality of rotation indicia being configured such that, when said coded camera aperture mask is rotated, the plurality of rotation indicia provide a clock with enough time intervals to detect the presence or absence of said coded identification indicia; said rotation detection optical sensor is configured to detect said plurality of rotation indicia; said computing control device is configured to capture detected radiation data from said radiation sensor/detector and transmit said detected radiation data via a digital communications medium, to a host computer system; said computing control device is configured to receive rotation commands from said host computer system via said digital communications medium and activate said mask rotation motor in response to said rotation commands; and said computing control device is configured to capture rotation data from said rotation detection optical sensor and transmit said rotation data via said digital communications medium to said host computer system.