Medical Definition of Usable light range

1. The ratio of the maximum to the minimum levels of illuminance over which a video camera or camera tube can provide a usable signal. Being aided by automatic irises, gray-wedge wheels, etc., in addition to varying electrode voltages where permissible, the usable light range can be several orders of magnitude greater than the intrascene dynamic range. See: intrascene dynamic range, condenser, variable-focus. (05 Aug 1998)

Lexicographical Neighbors of Usable Light Range

uruses
urushiol
urushiol
urushiols
urushiol oxidase
urva
urva
urvas
US
USA
usabilities
usability
usable
usableness
usablenesses
usable light range (current term)
usably
USACIL
USAF
usage
usage
usager
usagers
usages
Usama bin Laden
USAN
usance
usances
usaunce
usaunces

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