2 Chapter 4 Basic Camera Function & Elements Technical Jargon Two-Chip high-resolution imaging deviceCamera that will produce excellent color, good light, dark contrast, sharp picture.
3 Chapter 4 Fast Lens 10:1 Power Zoom Lens Not related to Speed Lens will allow enough light to video in low light conditions10:1 Power Zoom LensAllows smooth transition from wide to close-up or vise versa using toggle switch
4 Chapter 4 High Variable Shutter Speed Prevents fast moving objects from looking blurred.
5 Chapter 4 Auto Iris Auto Focus Auto White Balance Lens will sense how much light is needed and adjust automatically.Auto FocusKeeps picture sharpAuto White BalanceColors look good/exact/true
6 Chapter 4 Built-in Character Generator Lux You can print text on the video pictureLuxLight – you can record in very low light levels. 3 Lux…2Lux…1 Lux
7 Chapter 4 Low-noise Gain Nothing to do with sound The ability of the camera to produce pictures in very low light conditions without little picture deterioration (snow)
8 Chapter 4 Flying Erase Head High signal-to-noise ratio Allows you to edit in the cameraInsert scenes over video without any breakup of signalHigh signal-to-noise ratioNothing to do with soundPicture signal is stronger than any electronic interference
9 Chapter 4 Built-in Time Code Generator Each video frame is assigned a numberLike your street addressEditing unit will read this addressNumbers help you find scenes
10 Chapter 4 Audio Connections Pro cameras – XLR (the best/reliable) Consumer Cameras – Mini & RCA
11 Chapter 4 Video Camera Function Main Function -- translate an optical image into electrical signals that are reconverted by a television receiver into visible images.
25 Chapter 4 Lens Speed Fast Lens Slow Lens Check Lens Speed How much light can pass through a lens to the imaging device.Fast LensAllow great amount of lightSlow LensAllows limited amount of lightCheck Lens SpeedLower the f-stop number = fast lens
26 Chapter 4 Lens Iris Controls light passing into camera Functions similar to your eyesBright lights the iris closes downLow light, the iris opens upMeasure iris opening via f-stop1.4, 2.8, 4, 5.6, 8, 11, 16, 22Lower number more light
35 Chapter 4 Imaging Device Changes light into electric energy CCD – Charge-coupled deviceSmall, silicon chipChip has light sensing picture elements called pixelsPixels change light energy into electric currentDetermines video picture quality
37 Chapter 4 CCD Pro cameras have 3 CCDs One for each color CCD for Red CCD for GreenCCD for Blue
38 Chapter 4 Video Processing RGB signals referred to as chrominance signalBrightness signal referred to as luminance signalCombined Chrominance and Luminance = Composite Signal or NTSC signal.NTSC is U.S. standard format
39 Chapter 4ViewfinderSmall TV monitor either B&W of color
40 Chapter 4 Video Cameras Studio Cameras Field Cameras ENG – Electronic News GatheringEFP – Electronic Field Production
42 Chapter 4 Studio Camera Chain Camera Head - Body Power Supply Sync Generator – uniform electrical pulse to synchronize the scanning of the video pictures in a variety of equipment (monitors, viewfinders)CCU – Camera Control Unit