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Understanding Exposure
Part 1 - Introduction
Idea
What is exposure?
Defined
The exposure is the amount of light received by the film or sensor and is determined by how wide you open the lens diaphragm (aperture) and by how long you keep the film or sensor exposed (shutterspeed). The effect an exposure has depends on the sensitivity of the film or sensor.
from DPreview.com
Exposure triangle
It’s your photograph
I have a smart camera
I see 18% gray
What’s so important?
Is that action?
You can do better
You can see
Know what’s important
Make decisions
React to environment
Where’s your dial?
Sometimes you’re lucky
Sometimes you’re not
Out of focus
Overexposed
Underexposed
Shouldn’t be about luck
Taking control
Repeatable results
How do we get there?
Taking a leap
Try new things
Experiment
Turning the dial
Get hands on
Aperture
Isolate your subjects
Blur your background
Tell a story
Get creative
Shutter Speed
Freeze action
Show action
Create motion
Get creative
ISO
No more changing film
In the dark?
At a concert
Get creative
Beyond exposure
Get balanced
Control your focus
Get creative
Stay tuned...
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