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Digital Cameras and Digital Photography Mike Garton SMSU COE MikeGarton@smsu.edu Where to learn more Mike’s digital photography web links http://courses.smsu.edu/emg381t/rcet/digital_cameras/ HP Learning Center Graphics Design Course http://www.hplearningcenter.com/

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digital cameras and digital photography

Digital Cameras and Digital Photography

Mike Garton

SMSU COE

MikeGarton@smsu.edu

where to learn more
Where to learn more
  • Mike’s digital photography web links http://courses.smsu.edu/emg381t/rcet/digital_cameras/
  • HP Learning Center Graphics Design Coursehttp://www.hplearningcenter.com/
  • Digital photo editing shortcoursehttp://www.shortcourses.com/editing/index.htm
  • The digital camera super center:http://www.zdnet.com/special/filters/sc/camera/
camera features
Camera Features
  • Sensor size
  • Resolution (VGA, XGA, SVGA, SXGA)
  • Lens
  • Focus
  • Zoom
  • Focal Length
  • Exposure
  • Compression
  • Flash
sensor size
Sensor size
  • CMOS
  • CCD
  • Look for CCD, better “all in one” cameras use 3
resolution
Resolution
  • VGA = 640 x 480 = 300,000 pixels. Good for 4 x 6 print.
  • SVGA = 800 x 600
  • XGA = 1024 x 768—1 mega pixel camera 700,000 to 1.3 million pixels—Good for 5 x 7 prints
  • SXGA 1600 x 1200—2 mega pixel—good for 8 x 10
  • 3 megapixel for 11 x 14 prints
slide6
Lens
  • Plastic
    • not as optically transparent
    • Scratch easily
  • Glass
    • Aspherical glass
    • More transparent
focus
Focus
  • Fixed focus—ok for all around
  • Auto focus
  • Manual focus—usually only found on high end cameras
slide8
Zoom
  • Optical Zoom
  • Digital Zoom—ends up giving you a lower resolution than your camera is capable of
focal length
Focal Length
  • Related to Zoom
    • The distance from the sensor to the lens
    • Lowest number (1x) is cameras widest setting
    • Largest number (typically 2 to 3x) is cameras most close up setting.
exposure
Exposure
  • Shutter and Aperature
  • Digital cameras generally use presets
  • White balance
compression settings
Compression Settings
  • Bitmaps
  • JPEGs (1/8 original file size)
  • TIFF’s
flash
Flash
  • Most digital cameras have built-in flash good to about 8 feet
  • Some cameras have hot shoe for external flash
battery
Battery
  • Lithium Ion
  • Alkaline
  • Nickel Cadmium
storage media
Storage media
  • Smart Cards
  • Compact Flash
  • Floppy disks
  • CD-rom disks
  • Zip disks
  • Memory sticks
  • Built in Memory