Presentation on theme: "ISO, Aperture and Shutter Speed For Beginners. The photographer can control how much natural light reaches the sensor by adjusting the camera's ISO shutter."— Presentation transcript:
The photographer can control how much natural light reaches the sensor by adjusting the camera's ISO shutter speed and aperture
ISO With digital cameras, the ISO indicates how quickly the sensor absorbs light As the ISO increases, so does grain or noise ISOConditions 100 or 200Outside, sunny conditions 400 to 800Night time low light 1600Dark scenes
Shutter Speed (Tv) You can control the length of time the shutter remains open by setting the SHUTTER SPEED. Longer shutter speeds = more light (1/4 second or less) shorter shutter speeds = less light (1/250 second or more )
Shutter Speed (Tv) Slow Shutter speed for blurring water – 10 seconds Fast Shutter speed freezes the action – 1/200 th second
Aperture (Av) Before light reaches the sensor, it must pass through an opening called an "Aperture Similar to your pupil which closes down in bright conditions and opens wider in darker conditions
Aperture Wide aperture = small number = more light Also less depth of field or area in sharp focus Small aperture = large number = less light More depth of field or area in sharp focus
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