ISS is an integrator of both physical and electronic security systems in critical infrastructure facilities world-wide.ISS also provides services for Security, Risk and Vulnerability Assessments, System Maintenance, and Research and Development of new technologies and protocols for security systems and components.SS is an integrator of both physical and electronic security systems in critical infrastructure facilities world-wide.
Wiktionary (0.00 / 0 votes) Rate this definition: shutter speed (Noun). The duration of time for which the shutter of a camera remains open when exposing photographic film or other photosensitive material to light for the purpose of recording an image.
Different combinations of shutter speed and aperture used to achieve the same exposure. Shutter speed: Speeds faster than one second are shown as fractions (e.g.: â¦1/125, 1/160, 1/200, 1/250â¦). Some cameras may omit the numerator so that â1/125â becomes â125,â â1/250â becomes â250,â etc.