Final Study Guide Flashcards
What percentage of grey is considered the “perfect” amount?
18%
What are the 2 types of lenses we have in class?
Zoom and prime
How are shutter speeds measured?
In fractions of time (seconds) - 1/60, 1/125, 1/250, 1/500, 1/1000, 1/4000
What happens when a shutter speed is faster?
The higher the number and it photographs the subject without blur and “freezes” motion and has shorter exposure (less light)
What happens when a shutter speed is slower?
The lower the number and gives more blurry background and allows more light
What is ISO?
International Standards Organization and it is a standardized industry scale for measuring sensitivity to light
Natural ISO measurements
100,200,400,800,1600,3200
ISO’s that are over or under exposed
160,250,320,500,640,1000,1200
What is Shutter Speed?
HOW FAST YOUR CAMERA OPENS AND SHUTS THE SHUTTER
What is Aperture?
The size of the opening in the lens. It affects how much of the image is in focus. Its measured in f-stops
What does a wide open aperture do?
let more light into the image for a brighter photo and makes the background be creamy and unfocused; wide opening f-stop like f/1.8
What does a smaller/narrow aperture do?
lets in less light and keeps more of the image sharp; narrow f-stop like f/22
What is AV?
Aperture value
What does DSLR mean?
Digital Single Lens Reflex Camera
What does contrast mean?
the difference between two colors or between the lightest lights and darkest darks in an image