Photographic cameras; Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments.; Photographic apparatus and instruments; photographic and videographic imaging apparatus; electronic imaging devices; photographic and videographic imaging systems; video imaging systems; camera systems; imaging system control modules; cameras; video cameras; framing cameras; high-speed imaging cameras; camera tripods; camera lenses; camera flashes and flash units; photographic and videographic flash lighting apparatus; camera lens mounts and adaptors; camera lens intensifiers; remote controlled image tracking platforms and systems; apparatus and instruments for detecting, measuring and calculating movement of images and objects; apparatus and instruments for measuring and analysing velocity; laser illumination systems for image analysis applications; channel delay generators for use with photographic and videographic imaging systems; camera sensors; optical sensors; photoelectric sensors; digital sensors; electronic sensors; photographic and videographic trigger units and systems; acoustic trigger units and systems; computer software; computer hardware and firmware; software for use in relation to cameras and imaging systems; software for measurement and image enhancement; software for detecting, measuring and calculating movement of images and objects; firmware for imaging cameras and imaging systems; parts and fittings for the aforesaid goods