24 terms

Photography

STUDY
PLAY
Image Sensor
Silicon Chips the size of a fingernail within a camera that contains millions of photo sensitive diodes called photosites.
Photosites
Photo sensitive diodes.
Shutter Speed
The length of time the shutter is open enabling light to strike the image sensor.
Pixels
Picture elements composed of millions of tiny squares.
Resolution
Refers to the numbr of pixels contained within a picture. Recommend 300 for print quality - 72 for web.
Megapixels
mega = 1 million - Contains millions of pixels
Point and Shoot cameras automatically control .. .
Focus, Exposure and White balance
Zoom
Brings a subject closer
Optical Zoom
magnification created by the lens. Physically changes how far the lens is from the sensor.
Digital Zoom
A digital crop within the camera. Not a true magnification.
Telephoto
Brings the object closer.
High quality print
2400 X 1200 dpi (dots per inch)
Aperature (F-stop)
Controls shutter speed.
Small F-stop number
Slower Shutter speed - Larger opening - lets in more light. Use at night.
Larger f-stop number
Faster Shutter Speed - Smaller opening - lets in less lights. Use outside and in well lit areas.
ISO
The amount of light allowed on the image sensor.
Jpeg/jpg
Smaller file - Lossy - universally recognized
RAW
Uncompressed and unprocessed from the camera. It must be edited in software before it can be viewed.
Tiff
Lossless - Larger file - Not for the web
Gif
Oldest picture format - supports animation - use on the web.
PNG
Lossless - used to replace GIF - supports more colors - use on the web
Whenever possible, zoom with your _____________
feet
To conserve storage space . . .
Delete unwanted pictures immediately
Download often
For Better picture taking . . .
Use the burst
Avoid using the flash when possible