Av - Aperture Value is the Aperture Priority (size of the diaphragm hole inside the lens).
A-DEP - Auto depth of field.
ISO
In very low or bright light - shutter speed and aperture display will blink if pressed half way
In low light (30" 3.5) either increase the ISO speed or use a flash
In bright light (4000 22) decrease the ISO speed
ISO speed
- 100/200 Sunny Outdoors
- 400/800 Overcast skies, evening
- 1600 Night or dark indoors
Flash range - the higher the ISO speed the farther the flash range will be
If subject is far away, increase the ISO speed (extends the flash range)
Tv - can freeze the action or create blur
Frozen action - (fast shutter speed) moving subject 1/4000 t0 1/500
Blurred action (slow shutter speed) 1/250 to 1/30
Av - can change the depth of field
Blurred background (large opening)
Sharp foreground/background (small aperture opening)
The larger the f/number the smaller the aperture opening
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