Image Exposure. Exposure Exposure = Intensity of Light (X) Time Intensity = is controlled by the aperture (f/stop) Time = is controlled by the shutter.

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Presentation transcript:

Image Exposure

Exposure Exposure = Intensity of Light (X) Time Intensity = is controlled by the aperture (f/stop) Time = is controlled by the shutter (shutter speeds) ISO = sensor’s sensitivity to light

Unit Of Measurement The unit of measurement used to measure light is called a “Stop”. Digital Cameras use 1/3 stops increments

f/stops in 1/3 increments f/2.8 f/4.5 f/7.1 f/11 f/18 f/29 f/3.2 f/5.0 f/8 f/13 f/20 f/32 f/3.5 f/5.6 f/9 f/14 f/22 f/4 f/6.3 f/10 f/16 f/25

Full - f/stops

Full f/stops either half or double 2X - 1/2X

Shutter speeds in 1/3 increments 1/15 1/40 1/100 1/250 1/640 1/1600 1/20 1/50 1/125 1/320 1/800 1/2000 1/25 1/60 1/160 1/400 1/1000 1/30 f/80 f/200 1/500 1/1250

Full Shutter Speeds

Full shutter speeds either half or double 2X - 1/2X

Manual Exposure Control Gives you full control over your exposure! You choose both the f/stop and shutter speed:

Histogram Is a chart/graft that gives you precise exposure control information

Over-Exposure

Under-Exposure