advanced digital photography. introductions who why what
TRANSCRIPT
Advanced Digital Photography
Introductions
• Who• Why• What
Course will cover
• Exposure• Depth of Field• Manual Mode• Histogram• Lighting
• White balance• Motion Control• Portraiture• Macro photography• Flash photography
Composition ‘Rules’
Photography
• Tell a story• Stir emotion• Document an event• Artistic
Light
•Select subject•Compose the shot•Set the exposure
good photograph
Photography means light drawing
Exposure
How much light?
Source of the light
Time of day
Midday sun• Sharp-edged shadows• High contrast• Shaded areas – limited
or no detail• Sunlit areas – bright
colors• Dramatic effect
Dawn, dusk, (or cloudy days)• Soft light• Limited or no shadows• Subtle tones more
visible• Less dramatic, more
warmth
ISO International Organization for Standardization
ISO Situations 100 - 200 Bright sunny day400 Hazy day600+ Need stop motion1600+ Low lighting
Higher the ISO > Noise
refers to ‘film’ speed indicate the relative amount of light necessary to give a proper exposure.
Noise
Exposure
Aperture• Size of lens opening, like
pupil of your eye• f/22 small opening – f/4
large opening• Determines depth of field
Shutter Speed• Length of time aperture is
open• Measured in fractions of
seconds• Use tripod if speed slower
than 1/125• Above 1/500 can typically
freeze action
Apertures
Depth of FieldDistance or part of the picture that is in focus
f/18 …
… f/4.5
ISO
ApertureShutter
Speed
Correct Exposure????
Metering
-2
+2
Metering Camera Settings
• Evaluative– Standard, average of whole picture– Balanced exposure
• Partial– Less area used to meter (9% from center)
• Center Weight– Small area in the center to meter (4% from center)
Cannon