Overview <ul><ul><li>Picture Elements </li></ul></ul><ul><ul><li>General camera features </li></ul></ul><ul><ul><li>Camera...
Picture elements <ul><li>Long history of use in image creation </li></ul><ul><ul><li>Mosaics in ancient architecture </li>...
6 th  Century Italian Mosaics
19 th  C.  French Neo-impressionist painting The Pointillist School <ul><li>Image consists of small dots of paint </li></u...
Other Pointillist works Georges Surrat Jean Volet M. Rysselberghe
Textile example –  hand made stitchery
Image Printing Screen <ul><li>Photo screen can be course or fine </li></ul><ul><li>Need black ink for single color </li></...
Computer Picture Elements (Pixels) 36 blank pixels 36 colored pixels 2 pixel horiz line 2 pixel vert line 2 pixel diagonal...
Low  Resolution Computer Graphics Desktop icons are 32x32 Pixels, 1024 bytes
Image Resolution and File Size
 
 
24 and 32 bit color depth <ul><li>24 bit = 3 bytes (the RGB model) </li></ul><ul><li>32 bit = 4 bytes (the CYMK model </li...
Parameters of digital image quality <ul><li>Monitor dot pitch </li></ul><ul><li>Monitor dots per inch </li></ul><ul><li>Mo...
Digital Cameras <ul><li>An exploding market </li></ul><ul><li>Major camera makers now producing digitals </li></ul><ul><li...
Canon Powershot G1 <ul><li>6 months on market </li></ul><ul><li>3.3 Mp sensor chip </li></ul><ul><li>Under $1000 class </l...
Overview of mega-pixel cameras <ul><li>Type 1& 2 CF memory cards </li></ul><ul><li>Full exposure control </li></ul><ul><li...
LCD screen displays Record menu Play menu Setup menu
Image resolution/quality <ul><li>Small resolution 640x480 </li></ul><ul><li>Fine compression </li></ul><ul><li>Increases m...
ISO Selection Ability to vary “film speed” for lighting conditions ISO 50 ISO 400 G1is first digital to offer ISO 50
Exposure Mode Controls <ul><li>Auto (point & shoot) </li></ul><ul><li>Program </li></ul><ul><li>Shutter priority </li></ul...
Exposure Bracketing <ul><li>Allows taking 3 shots at different exposures </li></ul><ul><li>Bracket can be set in 1/3 stop ...
White Balance <ul><li>WB corrects for different lighting conditions </li></ul><ul><li>Controls on LCD from rear panel butt...
Zooming the image in LCD Feature allows close examination of image at 2 levels of zoom to check image details
Macro Mode <ul><li>This mode allows close-ups to 2.4 inches with normal lens at wide zoom </li></ul><ul><li>Canon offers a...
Play index <ul><li>Provides view of 9 thumbnails on screen </li></ul><ul><li>Jump mode moves 9 thumbnails sequentially </l...
That is all folks, and thanks for watching
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Basics Of Digital Photography

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A very basic guide to digital photography for newbies

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  • Basics Of Digital Photography

    1. 2. Overview <ul><ul><li>Picture Elements </li></ul></ul><ul><ul><li>General camera features </li></ul></ul><ul><ul><li>Camera demo and download </li></ul></ul><ul><ul><li>Image editing </li></ul></ul><ul><ul><li>Picture samples – slide show </li></ul></ul>
    2. 3. Picture elements <ul><li>Long history of use in image creation </li></ul><ul><ul><li>Mosaics in ancient architecture </li></ul></ul><ul><ul><li>Pointillist school of art </li></ul></ul><ul><ul><li>Textiles </li></ul></ul><ul><ul><li>Printing half tone pictures </li></ul></ul><ul><ul><li>Electronic picture elements (pixels ) </li></ul></ul>
    3. 4. 6 th Century Italian Mosaics
    4. 5. 19 th C. French Neo-impressionist painting The Pointillist School <ul><li>Image consists of small dots of paint </li></ul><ul><li>Dots (pixels) made with point of brush as small as 1/16 inch </li></ul><ul><li>Dots are unequal in size </li></ul>
    5. 6. Other Pointillist works Georges Surrat Jean Volet M. Rysselberghe
    6. 7. Textile example – hand made stitchery
    7. 8. Image Printing Screen <ul><li>Photo screen can be course or fine </li></ul><ul><li>Need black ink for single color </li></ul><ul><li>Dots not equal size </li></ul><ul><li>Eye reads dots as continuous tone image </li></ul>
    8. 9. Computer Picture Elements (Pixels) 36 blank pixels 36 colored pixels 2 pixel horiz line 2 pixel vert line 2 pixel diagonal You’ve got JAGGIES!
    9. 10. Low Resolution Computer Graphics Desktop icons are 32x32 Pixels, 1024 bytes
    10. 11. Image Resolution and File Size
    11. 14. 24 and 32 bit color depth <ul><li>24 bit = 3 bytes (the RGB model) </li></ul><ul><li>32 bit = 4 bytes (the CYMK model </li></ul>Red Green Blue Cyan Yellow Magenta Black <ul><li>Example (CorelDraw) </li></ul>
    12. 15. Parameters of digital image quality <ul><li>Monitor dot pitch </li></ul><ul><li>Monitor dots per inch </li></ul><ul><li>Monitor calibration </li></ul><ul><li>Screen resolution setting </li></ul><ul><li>Monitor size </li></ul><ul><li>Image resolution </li></ul><ul><li>Color depth </li></ul>
    13. 16. Digital Cameras <ul><li>An exploding market </li></ul><ul><li>Major camera makers now producing digitals </li></ul><ul><li>Estimates of market to be 50% digital in 2002 </li></ul><ul><li>Wide range of features and prices </li></ul>
    14. 17. Canon Powershot G1 <ul><li>6 months on market </li></ul><ul><li>3.3 Mp sensor chip </li></ul><ul><li>Under $1000 class </li></ul><ul><li>Many features of satisfy beginners or experienced users </li></ul><ul><li>High image quality </li></ul>
    15. 18. Overview of mega-pixel cameras <ul><li>Type 1& 2 CF memory cards </li></ul><ul><li>Full exposure control </li></ul><ul><li>Resolution selection </li></ul><ul><li>ISO selection </li></ul><ul><li>Bright LCD screen </li></ul><ul><li>External flash hot shoe </li></ul><ul><li>Zoom capability </li></ul><ul><li>Lens converters </li></ul>
    16. 19. LCD screen displays Record menu Play menu Setup menu
    17. 20. Image resolution/quality <ul><li>Small resolution 640x480 </li></ul><ul><li>Fine compression </li></ul><ul><li>Increases memory capacity </li></ul><ul><li>Medium resolution 1078x760 </li></ul><ul><li>Fine compression </li></ul><ul><li>Good quality for prints or Net </li></ul><ul><li>Large resolution 2048x1576 </li></ul><ul><li>Fine compression </li></ul><ul><li>Best quality for prints </li></ul>
    18. 21. ISO Selection Ability to vary “film speed” for lighting conditions ISO 50 ISO 400 G1is first digital to offer ISO 50
    19. 22. Exposure Mode Controls <ul><li>Auto (point & shoot) </li></ul><ul><li>Program </li></ul><ul><li>Shutter priority </li></ul><ul><li>Aperture priority </li></ul><ul><li>Manual setting </li></ul>
    20. 23. Exposure Bracketing <ul><li>Allows taking 3 shots at different exposures </li></ul><ul><li>Bracket can be set in 1/3 stop increments </li></ul><ul><li>Exposure range can be set to –2 to +2 stops </li></ul>- .7 stop Normal exposure +.7 stop
    21. 24. White Balance <ul><li>WB corrects for different lighting conditions </li></ul><ul><li>Controls on LCD from rear panel button </li></ul>
    22. 25. Zooming the image in LCD Feature allows close examination of image at 2 levels of zoom to check image details
    23. 26. Macro Mode <ul><li>This mode allows close-ups to 2.4 inches with normal lens at wide zoom </li></ul><ul><li>Canon offers a macro lens attachment for closer macro images </li></ul>Normal mode Macro mode
    24. 27. Play index <ul><li>Provides view of 9 thumbnails on screen </li></ul><ul><li>Jump mode moves 9 thumbnails sequentially </li></ul>
    25. 28. That is all folks, and thanks for watching

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