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Know Your Camera

Know Your Camera

This is a talk I put together in one evening ahead of a fun semi-monthly event we have at the office.

Pete Karl II

October 02, 2015
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Transcript

  1. Know Your Camera 
    by pk2 

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  3. The way things   
    used to be. 

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  5. imaging
    systems

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  6. imaging
    systems
    (4 components)

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  8. light-sensitive
    surface

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  10. a lens

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  12. a light source

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  13. a light source
    (a subject)

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  15. an aperture

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  17. CREATIVE
    CONTROL MEANS
    MORE KNOBS

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  19. CAMERA MECHANICS
    focal length
    shutter speed
    f-stop
    ISO sensitivity (not today)

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  20. FOCAL LENGTH (mm)

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  21. FOCAL LENGTH (mm)

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  22. FOCAL LENGTH (mm)

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  23. FOCAL LENGTH (mm)

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  24. SHUTTER SPEED 

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  25. SHUTTER SPEED 
    (watch the sliver)

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  26. F-STOP

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  27. F-STOP

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  28. double
    half
    F-STOP

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  29. f = focal length
    diameter of aperture
    F-STOP

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  30. f = 50mm
    6.3mm
    F-STOP

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  31. f
    8
    F-STOP

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  32. f
    8
    F-STOP
    -ish

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  33. DOUBLE HALF WHAT? 

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  34. the area of the aperture about
    doubles each half step of the
    aperture diameter
    F-STOP
    don’t bother processing this

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  35. f-stops are ratios that tell
    you how much light you’re
    letting into the camera.
    F-STOP
    okay, now process

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  37. FOCAL LENGTH
    F-STOP
    SHUTTER SPEED

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  38. shutter: 1/320th

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  39. 1/4 1/8 1/15 1/30 1/60 1/125 1/250 1/320 1/500 1/1000 1/2000
    (shutter speed in seconds)
    aperture: f/4.5

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  41. (you)

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  42. (are ready)

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  43. COMPOSITION 
    DEPTH OF FIELD 
    EXPOSURE 

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  44. COMPOSITION 
    DEPTH OF FIELD 
    EXPOSURE 

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  45. carry your camera
    turn off your flash
    do interesting things
    find a subject and work it
    (don’t center anything, no matter how tempting)

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  46. “I’m not sure how to
    use my camera.”

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  47. Sample Starter Settings:
    50mm
    f/5.6
    ISO 1000

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  48. NOW GO DO
    INTERESTING THINGS
    (and point your camera at them)

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  49. FIND A LESS-OBVIOUS SHOT 

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  50. TRAVEL.

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  51. SERIOUSLY, TRAVEL.

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  52. PHOTOGRAPH PEOPLE.

    (they’re amazing) 
    FRAME SUBJECTS OFF-CENTER

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  53. “MAY I TAKE YOUR PHOTO?”

    (take away the anxiety by asking. offer to email a copy) 

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  54. I realize this is centered. 

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  55. BE PATIENT

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  56. BE LOUD

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  57. EXPERIMENT!

    (this was my first try at astrophotography) 

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  58. EXPERIMENT!

    (this was last month) 

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  59. (and finally) 
    FIND MOMENTS

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  60. Thanks!

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