drawing with light
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Photo-graphyPhotonPhotosynthesisPhotovoltaic
The word photography is based on the Greek φῶς (photos) "light" and γραφή (graphé) "representation by means of lines" or "drawing", together meaning "drawing with light".
GraphGraphic
Graphite
Sunday, September 9, 12
Think of this as a DAWING Class
Drawing PhotoPencil Light
Your Hand CameraPaper
Sunday, September 9, 12
Think of this as a DAWING Class
Drawing PhotoPencil Light
Your Hand CameraPaper Film/Photo Paper
Sunday, September 9, 12
3 Primary ways to control light
Capture Medium (Film / Digital Sensor)
Shutter Aperture
Sunday, September 9, 12
Film Speed
Speed (ISO/ASA)
Film speed is the measure of film’s sensitivity to light. We indicate the film’s sensitivity to light by the ISO system.
Sunday, September 9, 12
ISO
25 50 100 200 400 800 1600 3200
SlowNeeds MORE Light
FastNeeds LESS Light
Sunday, September 9, 12
ISO
25 50 100 200 400 800 1600 3200
SlowNeeds MORE Light
FastNeeds LESS Light
Sunday, September 9, 12
ISO
25 50 100 200 400 800 1600 3200
SlowNeeds MORE Light
Has Smaller Grain=Sharper
FastNeeds LESS Light
Has Larger Grain=Less Sharp
Sunday, September 9, 12
ISO
25 50 100 200 400 800 1600 3200
SlowNeeds MORE Light
Has Smaller Grain=Sharper
FastNeeds LESS Light
Has Larger Grain=Less Sharp
Sunday, September 9, 12
SlowNeeds MORE Light
Has Smaller Grain=Sharper
FastNeeds LESS Light
Has Larger Grain=Less Sharp
25 50 100 200 400 800 1600 3200
Sunday, September 9, 12
SlowNeeds MORE Light
Has Smaller Grain=Sharper
FastNeeds LESS Light
Has Larger Grain=Less Sharp
100 400
Sunday, September 9, 12
ISO
100 400 Slow
Needs MORE LightHas Smaller Grain=Sharper
FastNeeds LESS Light
Has Larger Grain=Less Sharp
Sunday, September 9, 12
Shutter Speed
Shutter speed is the term used to describe exposure TIME. It is the length of time a shutter is open or duration of time that light reaches the film.
Sunday, September 9, 12
Shutter Speed
SLOWFAST
2000 1000 500 250 125 60 30 15 8 4 2 1 B 1 1 1 1 1 1 1 1 1 1 1 1
Sunday, September 9, 12
Shutter Speed60 Slower Than 6060 or faster
2000 1000 500 250 125 30 15 8 4 2 1 B
Sunday, September 9, 12
Aperture
In photography, an aperture is an opening through which light travels. (The size of the lens opening.)
The smaller the
aperture the LESS light enters the
camera.
The larger the aperture the MORE
light enters the camera.
Sunday, September 9, 12
Aperture
The smaller the aperture the LESS
light enters the camera.
The larger the aperture the MORE
light enters the camera.
Sunday, September 9, 12
Aperture
The smaller the aperture the LESS
light enters the camera.
The larger the aperture the MORE
light enters the camera.
22 16 11 8 5.6 4 2.8 2
Sunday, September 9, 12
Aperture
22 16 11 8 5.6 4 2.8 2
Where f is focal length and N is the f-number.
Sunday, September 9, 12
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