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Digital Communications II
Unit 2: Photography Digital Communications II
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Digital SLR and Point and Shoot Cameras
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SLR Cameras Detachable lens for different distances
Broader range of manual settings Large ISO settings Aperture Manual zoom Expensive Bulky
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Point and Shoot Cameras
Easy to use Automatic Limited manual settings Compact Lightweight Non-expensive
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Components of a Digital Camera
Storage media Battery Optical zoom Digital zoom Flash Preview mode Mode dial LCD screens
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Storage Media SD card Memory stick Compact flash card Internal memory
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Memory Cards vs. Internal Memory
SD cards, memory sticks, and Compact Flash cards - removable storage devices. Internal memory – built in storage Internal memory space is limited. To remove the images from the internal storage a cable is required. Memory cards can be filled, removed and replaced with another memory card. Card readers enable you to move the pictures from the memory card to the computer.
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Transferring Digital Images
USB cables – used to transfer images from a camera to a computer Bluetooth – wireless transfer of images Card readers – input device that reads memory cards
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Battery SLR cameras require a battery that will need to be recharged after hours of use A point and shoot camera requires lithium batteries, typically AA. Rechargeable batteries and a battery charger can be purchased.
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Battery, cont. SLR Camera Point and Shoot
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Optical Zoom Zoom that physically increases the length of the lens, essentially creating a magnifying glass; produces a higher quality lens.
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Digital Zoom Zoom takes a portion of the image and enlarges it electronically; the image quality is reduced since digital zoom enlarges the same set of pixels without adding detail
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Flash A device used in photography producing a flash of artificial light
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Preview Mode Used to review images taken
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Mode Dial Used to change camera functions
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LCD Screens Allows user to see what the image will look like
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Composite Techniques Rule of thirds Point of view Frame movement
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Rule of Thirds Arrangements of elements in a picture
Image is broken down into 9 equal parts Points of interest should occur at 1/3 or 2/3 Creates strong focal points
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Point of View Position, direction, and height of a camera
Change the way your subject is perceived by changing the camera position Make actor look taller Change the mood of a photo
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Point of View, cont.
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Frame Movement A frame is an image frozen in the process of movement and represents the object's position at a specific point in time.
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Framing Where the foreground frames what is being photographed in the background
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Into the Frame The subject typically should be moving toward or facing the center of the photo
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Basic Framing Shots Long shot Mid shot Close-up Extreme close-up
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Long Shot A framing technique used to capture the environment and full body of subject
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Mid Shot A framing technique that captures the subject from the waist up
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Close-up Framing technique that captures the head and shoulders of the subject
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Extreme close-up A framing technique that cuts off top of head and chin of subject
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Camera Resolution The quality or sharpness of an image, usually measured in pixels per inch; the more pixels, the higher the resolution
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Megapixels One million pixels; describes the size of the images captured by a camera
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File Management Construct a file management system for photos
Organization Folders Event Date Name or date pictures
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