Exposure is the measure of light (luminance), determined by combining ISO, Aperture and Shutter Speed
Optimal exposure can be measured and monitored via the camera's Light Meter or Histogram.
Mode
M /🎥M (Manual Exposure)S (Shutter priority auto)A (Aperture priority auto)P (Programmed auto)AUTO 📷 (Fully automatic)Shutter Speed
ManualManualAutomaticAutomaticAutomaticAperture
ManualAutomaticManualAutomaticAutomaticISO
Manual or AutoManual or AutoManual or AutoManual or AutoAutomaticMode (Canon)
M /🎥M (Manual Exposure)Tv (Shutter priority auto)Av (Aperture priority auto)P (Programmed auto)Green Box 📷 (Fully automatic)Shutter Speed
ManualManualAutomaticAutomaticAutomaticAperture
ManualAutomaticManualAutomaticAutomaticISO
Manual or AutoManual or AutoManual or AutoManual or AutoAutomatic