This document discusses photography basics such as light, aperture, shutter speed, ISO, and white balance. It explains that aperture controls depth of field, shutter speed controls movement, and ISO controls noise. It also notes that white balance is important to avoid pictures that appear too warm or hot.

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8. Aperture depth of field

10. Shutter speed  movement

12. ISO  noise

13. Whitebalance too warm / too hot pictures