Tucson Pictures

Photography Terms

A/B Editing Video editing method that is able to control more than one playback machine.
Adapter Holds your small picture storage device, so that you can insert it into a larger area on your computer and view the pictures from it.
Adjustable Camera A camera in which the user is able to manually adjust settings for lense openings, distance, and shutter speed.
Albada Viewfinder A viewfinder with a negative objective lens and a positive eyepiece.
Angle of View The area of a scene that is included by a lense.
Aperture, maximum The biggest of the holes in which light enters into the digital camera.
Aperture Size of the hole that lets the light through the lens and in to the camera..
Aspect Ratio The ratio of width to height of a picture.
ATA A guide for storage devices that makes them usuable as if they were hard drive on the system.
Attachment Any file such as a picture that is sent with an email and can viewed or saved on the receivers computer.
Automatic Exposure An operation in which a camera automatically adjusts it’s shutter speed, and aperture to provide for proper exposure.
Automatic Flash A flash that is light sensitive and dertermines itself when a flash is needed for a picture.
Bit-mapped Images that are formed from pixels and each pixel being a shade of gray or another color.
Burst Mode Capability of a camera to shoot pictures one after the other as long as the shutter release button is held down.
Card Pictures are stored on these, and then uploaded from this to your computer.
CCD A sensor that reads the charges that are built up on a sensor’s photosites, one row at a time.
Chromatic Aberration The inability to bring light of all colors to the same plane of focus.
Color Balance The accuracy in which colors in the photo are able to match those of the orignal scene.
Color Depth The amount of bits that are assigned to each pixel in an image and also the amount of colors that are capable of being created from those bits.
CompactFlash Flash storage for digital cameras.
Compression, lossless File compression method that is capable of making a file smaller without losing quality of the image.
Compression, lossy Method of file compression that causes an image to lose it’s quality, and is not capable of returning it back to it’s original quality.
Compression Cutting down on the size of a file.
Depth of Field This is the distance between the closest and farthest points that appear to be in good focus in a picture.
Exposure The maneuver of permitting light to hit a light sensitive section.
Flash Card Reader An accessory that is attached to your computer system . You insert a memory card into this and it transfers the information from the card to your computer.
Flash Memory Card that is capable of storing images.
Focal Length The distance from the surface of a lens or mirror to it’s focal point.
Focus The method of bringing the image into clear view on the image sensor.
Frame Rate Number of pictures that it is capable of taking in a certain amount of time.
Gif Image file that was designed to display line art.
Gray Scale a Series of tones ranging from white to black.
Interpolation This is done with some zoom lenses. It adds extra pixels to an image.
JPEG (JPG) Image format that uses lossy compression to reduce the file size.
Landscape Mode Taking a horizontal picture by holding the camera in it’s normal position.
Macro Mode Allows you the capability of getting very close to an item and making it look much enlarged.
Megapixel An image that has over one million pixels.
MPEG Digital video format.
Multi-megapixel An image with over two million pixels.
Multiple Exposure Mode Let’s you lay one image over the other.
NiCad Nickel cadmium battery.
Noise Pixels that misread the light.
Term Definition
Operating System This is the program that controls the camera’s hardware.
Overexposure Allowing the image sensor more light then it needs, causing the pictures to be too light.
Panoramic Mode Used to catch an image that is much wider then it is tall.
PC Card A storage device that plugs in to a hand held computer or notebook.
Pixelization Caused by enlarging an image too much. Makes the pixels large and very obvious.
Pixels The elements that make up a digital image.
Port Area on the computer where a cable can be plugged in to hook the camera to the computer in order to upload your pictures.
Portrait Mode Vertical Photo.
Preview Screen A small screen on the back of the camera used to display pictures.
Recycle Time The amount of time it takes to process and then store and image.
Resolution The fineness of detail that can be distinguished in an image.
RGB Color system used in digital cameras.
Shutter Speed The amount of time that it takes for a shutter to open and light to strike on it’s image sensor.
Shutter The part of the camera that opens and closes in order to let light from the scene strike the image sensor and expose the image.
Upload Sending the images from your camera storage device to your computer.
VGA 640 x 480 resolution.
Zoom Lenses Capable of making the scene look closer on the picture than it actually was.

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