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Primer disparo

Photography cheat sheet

The essentials of the course on a single page: the exposure triangle, starting settings, focal lengths and white balance. Download it as an image to keep on your phone, or print it.

The exposure triangle

Aperture

f/1.4f/2.8f/5.6f/11f/22
More light, blurred backgroundLess light, all sharp

Shutter speed

1/40001/5001/601/81"
Freezes motionStreaks; use a tripod

ISO

1004001600640012800
Clean imageMore light, more noise

Starting settings

SituationModeSettings
PortraitAf/2, ISO 100–400
SportsS1/1000, auto ISO
LandscapeAf/8–f/11, ISO 100
Night on a tripodMf/8, 4", ISO 100
Indoors, no flashAf/2, ISO 1600

Focal lengths

Focal lengthWhat for
16–24 mmLandscapes and interiors
35 mmStreet
50 mmGeneral use
85 mmPortraits
135–200 mmSports and nature

White balance

LightSetting
Light bulb2700 K
Sunset3500 K
Sun5500 K
Cloudy6500 K
Shade7500 K

Three rules of thumb

  1. Handheld, the minimum shutter speed is 1/focal length: with a 50 mm, 1/50 or faster.
  2. Sunny 16 rule: in full sun, f/16 and a shutter speed of 1/ISO.
  3. Each stop doubles or halves the light: open up one, speed up one.