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Published bySophie Shelton Modified over 9 years ago
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Video Production for Education & Training Bill Duff, Jr. Copyright 1999 College of Human Resources & Education West Virginia University
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Camera - Professional
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Camera - Consumer
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Camera - Parts Lens Zoom Focus Filter White balance Viewfinder
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Camera - Parts Camera Lens Enclosure Light capturing device
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Camera - Parts Lens A curved glass Bends light to a point
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Camera - Parts CCD Shutter speed: normal”1/100 1/250 1/500 1/1,000 1/2,000 1/4,000 1/8,000 1/10,000 16 11 8 5.6 4.0 2.8 2.0 1.4 1.2 Corresponding f-stop:: Shutter speed being the speed at which the shutter opens & closes (1 Frame) F-stop being the amount of light allowed to enter the lens
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Camera - Parts Lens Zoom Focus Filter White balance Viewfinder
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Camera - Parts Lens Zoom Focus Filter White balance Viewfinder
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Camera - Parts Lens Zoom Focus Filter White balance Viewfinder
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Camera - Parts Lens Zoom Focus Filter White balance Viewfinder
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White balance
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Camera - Parts Lens Zoom Focus Filter White balance Viewfinder
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Camera - Viewfinder CRT -cathode ray tube LCD - liquid crystal display Eyepiece
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Camera - Viewfinder Status indicators can include: a tally light indicating that tape is rolling or that camera is "on the air" a low battery warning minutes of tape remaining color balancing may be needed low light; insufficient exposure low-light boost (gain selector switch) circuit in operation
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Camera - Viewfinder Viewfinder status indicators can include the following items: indoor/outdoor filter in place zoom lens setting indicating how much further you can zoom in or out auto/manual iris status audio level meter tape footage counter a zebra pattern for setting video levels
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Camera - Parts Lens Zoom Filter White balance Shutter speed Viewfinder Tripod
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Camera Tripods –Adjustable –Fluid Heads
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Camera Recording Formats VHS - 1/2 inch 3/4” 8mm 1” S-VHS Hi-8 BetaCam SP D-1,2,3
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Recording Frames Control Track Timecode
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Camera composition Center your object or person Close-ups - shoot tight Avoid movement unless taping a moving object Focus - zoom in and focus, then pull back
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Lighting Direct & Indirect (sunlight vs light bulb) Measured in Kelvin
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Lighting 100 watt light bulb1850 Kelvin Candle flame1900 Kelvin Quartz light3200 Kelvin Fluorescent4500 Kelvin Daylight5500 Kelvin Overcast Daylight7500 Kelvin Clear Day 25000 Kelvin
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Lighting light level is measured in foot-candles or lux. A foot-candle is a measure of light intensity from a candle at a distance of one foot a foot-candle is equal to about 10 lux.
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Lighting Techniques Three point lighting serves 3 functions: key lights fill lights back or background lights
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Lighting Techniques
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key lights - main subject light fill lights - diffused light filling whole area back or background lights - separates subject from background -1/3 less intensity than key light
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Light Meters Light meters are used to measure light intensity. Reflected Light Meters Spot meters incident light meter
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Lighting Techniques Extra lighting sources - –scrims –reflectors –bounce –light boxes
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Types of Lighting Incandescent Quartz HMI Camera lights
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Types of Lighting Floods Spots Barn Doors Ellipsoidals
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Types of Lighting Ellipsoidal cookies
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Lighting Techniques Controlling lighting externally: –TBC (Time Base Corrector) compensates for time variation in video. –Allows adjustment in video and black level –Allows adjustment in hue (color) and saturation (intensity)
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