Graphics Programs Reference
In-Depth Information
Effective Focal Length
Focal Length X Cropping Factor of Sensor being used.
Evaluative Metering AE
(Auto-Exposure) An exposure meter setting that divides the
frame into a number of zones. Those zones are then used to calculate an average tonal
value that can be related to an exposure setting.
EXPEED
Nikon's Imaging Core Processor.
Exposure Compensation
An adjustment on Digital cameras used to compensate for
shortcomings of the camera's built-in exposure meter.
Exposure Triangle
Aperture, Shutter Speed, and ISO settings. These factors determine
the amount of light that the Sensor requires to produce a properly exposed image.
File Compression
A process of reducing the file size while maintaining critical data.
Film Camera
A camera in which the image is recorded on photographic film.
Focal Length
The distance from the midplane of a lens to the focal point of the same
lens. Usually measured in millimeters (mm).
Focal Plane
A Plane parallel to the midplane of a lens, also containing the Focal Point.
Photographic film and Sensors are located in this plane.
Focal Point
A point at which the light passing through a lens converges.
Frame (noun)
A portion of a roll of film that contains one image.
Frame (verb)
To limit the amount of the scene that will be captured by the camera. A
step in composing an image.
Front Standard
A moveable frame in Large-Format Cameras that holds the Lens. It
can be tilted in several directions relative to the Rear Standard. It can also be moved ver-
tically relative to the Rear Standard.
Highlight Tone Priority
Preserves details in the bright areas of an image at the expense
of the shadow areas.
