three pillars of photography

f2.8


f16

1. our eyes

2. the smaller the aperture, the larger the f-number. the higher the aperture, the smaller the f-number.

3. depth of field is when the f-number impacts the background and foreground - how they would blur or focus.


high


low

a. slow
b. slow
c. fast
d. fast
e. fast
f. fast

a. slow
b. slow
c. fast
d. slow
e. slow
f. slow

slow shutter speed - the camera opens the lens very slowly, usually blurring any motion
long shutter speed - usually over 1 second shutter speeds - used in low-light or night photography
fast shutter speed - freezes action , typically above 1/500th of a second



1.it could be dark, so your photos would be more focused
2. use low ISO when there is plenty of light
3. when there is not enough light

aperture 2.8-22
shutterspeed 1sec-1/4000 sec
ISO 100-25600