Photography Flashcards
(34 cards)
Film
Light sensitive material that records an image
Sensor
A mechanism made up of light sensitive material -records image
Light
Waves of Energy
ISo speed range
50-3200
What is ISo
Film an sensor collects light at diff speeds
Iso 50 is one stop ___ then 100
Slower
High ISo
Sensitivity
The way photosite responds to photons falling on it
Sensitivity does not change
Faster shutter speed or small aperture allows less illumination
Slow iso
25-200
Landscapes,portraits , long exposure , intense light
Fast iso
Sports wildlife hih action low light
SLR
single lens reflex
Scene through lens
3 functions of SLR
View focus & expose scene
SLR features
View finder Lens Aperture Shutter Film
Anatomy of SLR
Body Lens -lens element Focusing ring Diaphragm Aperture Ring Mirror Viewing screen Pentaprism Metering Viewfinder eyepiece Shutter Shutter speed dial Shutter release Hot shoe Memory card
Exposure modes
Programmed exposure -fully automatic Shutter priority (Tv) -u control shutter, camera got aperture Aperture priority (Av) -U got aperture Manuel U got everything
Shutter
How much time lens is open to
Get light
Minimum sustaining shutter speed
Slowest shutter can be without tripod
Aperture
How much light is let in
Depth of field
Telephoto lens
Long focal lengths 105-600
Narrow angle of view
Magnification increased
LITTLE DEPTH OF FIELD
Wide angle lens
Wide angle of view
More DOF
can have slower clear photos
Expanded perspective
Wide angle lens
- view more of scene
- background seems further
Compression perspective
Telephoto
Background close
Dynamic Range
Soan of tones that a digital camera can capture
Shutter speeds
1/1000 1/500 1/250 1/60 1/30 1/15 1/8 1/4 1/2
Aperture speeds
F/2 f/2.8 f/4 f/5.6 8 11 16 22 32 45
