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UNDERSTANDING EXPOSUREAfter all, it’s all about painting with light!
WHAT’S A WELL EXPOSED IMAGE?
3
4
EXPOSURE TRIANGLE
Aperture
Sensitivity/ ISOShutter Speed
APERTURE
TIME/ SHUTTER SPEED
SENSITIVITY/ ISO
Control Aperture
Aperture: f/5.6
Aperture: f/5.6
Aperture: f/13
Control Shutter Speed (S)
Paul Bica
Shutter Speed - 8s
Paul Bica
Shutter Speed - 8sShutter Speed - 1/1000
Paul Bica
Control ISO
ISO:800
ISO:800
ISO:800
Why not always shoot at a high ISO?
© exposureguide.com
SLOW SHUTTER OR FAST?
SLOW SHUTTER OR FAST?
Shutter Speed: 1/2000th of a second
©Anuroop Krishnan
SLOW SHUTTER OR FAST?
Shutter Speed: 1/2000th of a second
©Anuroop Krishnan
Shutter Speed: 1/15th of a second©Anuroop Krishnan
Absolute rubbish
You control the cameranot the other way around
DEPTH OF FIELD
FOUR FACTORS INFLUENCING DOF
Depth of
Field
Aperture Distance
Focal LengthPerspective
How about perspective?
GET AT EYE LEVEL
© Dr Caesar Sengupta
21
A FEW SPECIFICS
Ever wondered what this means?
HighlightsShadows
White point
Black point
Dark to bright, from left to right
Clipped Highlights
A potentially overexposed image
Clipped Shadows
A potentially underexposed image
A tough to correct image
An easy to enhance image
Subtle Shadows Subtle Highlights
Seeing the world as 18% gray
What you see
What you see What your camera sees
So…
What you see
What you see What you photograph
What you see
What you see
What you photograph
Metering
Auto Daylight Cloudy Shade
Tungsten Fluorescent Flash Custom
White Balance
Focussing
Single-point Spot AF (Manual Selection)
for pinpoint focusing
Single-point AF (Manual Selection)
AF point expansion (Manual Selection)
AF point expansion (Manual selection
surrounding points)
Zone AF (Manual selection
of zone)
61 point automatic selection AF
Focus Point Selection
ONE SHOT AI SERVO AI FOCUS
Focussing Modes
Drive
Some homework
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