Thread: exposure mid tone
View Single Post
  #20 (permalink)  
Old 11-08-2009, 07:16 AM
TerryMC TerryMC is offline
dPS Forum Member
  
Join Date: Nov 2009
Location: Swan Hill, Canada
Posts: 118
Default
K (luminance in cd/mē) and C (illuminance in lux) are the Meter Calibration constants per ISO 2720:1974.
Reply With Quote