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| International Radio Engineers |
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Luminance scale for video
Black on SD: 7.5 IRE
Black on HD: 0 IRE
Skin tone: 70-90 IRE
Highlights: 100 IRE |
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| exposure aid in eyepiece; 100 IRE = tight zebra lines (highlights); 70-90 IRE = loose zebra lines (skintone) |
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amplifying signal to gain exposure/detail; creates electronic noise (grainy)
-3, 0, 3, 6, 9, 12, 12+ Hypergain |
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| includes black balance, white balance, back focus |
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| gives a reference to true black, to make sure there is no color cast in image; do before shooting and when temperature changes |
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| process of removing unrealistic color casts, so that objects which appear white in person are rendered white in your image; proper camera white balance has to take into account the "color temperature" of a light source |
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1. Zoom in/focus front
2. Zoom out/adjust back
3. Repeat until both are sharp
*Should be checked at regular intervals during shoot; it's affected by temperature and motion; not to be used to focus shot, only calibrate lens |
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| Electronic News Gathering (studio) |
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| Electronic Field Production (outside studio; portable) |
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*No weight on cables
*Calibrate and check throughout the day
*Warm up monitor, reduce ambient light
*Go to SMPTE bars
*CONTRAST to midpoint
*CHROMA (color) all the way down
*Adjust BRIGHTNESS until 7.5 on PLUGE dissappears
*Adjust CONTRAST til 7.5 on PLUGE dissappears
*Go to BLUE ONLY
*Adjust CHROMA until split bars match/top to bottom
*Adjust PHASE until inside split bars match
*Depress BLUE ONLY to go back to full color
*Check both Video IN A & B |
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