Vocabulary 3

Macro Lens - A lens designed to be a top sharpness over a flatfield when focused at close distances, and reproduction ratial up to 1:1
Manual Exposure - A camera operating mode that requires the user to determine an set both the aperture and shutter speed. This is the opposite of automatic exposure.
Megabyte - Just over one million bytes.
Megapixel  - A million pixels.
Memory - The storage capacity of a hard drive or other recording media.
Memory Card  - Typical recording medium of digital cameras. Memory cards can be used to store still images, moving images, or sounds, as well as related file data.
Menu  - An on-screen listing of user options.
Mode - Specified operating conditions of the camera or software program.
Noise - Digital equivalent of grain.
Pan - Moving the camera to follow a moving subject. When a slow shutter speed is used, this creates an image in which the subject appears sharp and the background is blurred.
Perspective - The effect of the distance between the camera and image elements upon the perceived size of objects in an image.
Pixel - Derived from picture element. A pixel is the base component of a digital image.
RAM - Stands for Random Access Memory, which is a computer's memory capacity, directly accessible from the central processing unit.
Raw - An image file format that has little or no internal processing applied by the camera.
Resolution  - The amount of data available for an image as applied to image size.
Shutter - The apparatus that controls the amount of time during which light is allowed to reach the sensitized medium.
SLR - A camera with a mirror that reflects the image entering the lens through a pentaprism or a pentamirror onto the viewfinder screen.
Stop - The size of the aperture or diaphragm opening of a lens, also referred to as f/number.
Strobe - Abbreviation for stroboscopic.
Thumbnail - A miniaturized representation of an image file.
Tripod - A three legged stand that stabilizes the camera and eliminates camera shake caused by body movement or vibration.
TTL - Through-the-lens
USB - Universal Serial Bus. This interface stander allows outlying accessories to be plugged and unplugged from the computer while it is turned on.
VR - Vibration-Reduction, a technology used in such photographic accessories as a VR lens.
Wide-Angle Lens - A lens that produces a greater angle of view than you would see with your eyes, often causing the image to appear stretched.