B (BULB)

Definition: Is the letter on the shutter dial that the shutter will stay open while the real is depressed. This is used for time exposure that are longer than your camera's preset shutter speed.

B&W

Definition: Abbreviation that stands for " black and white. "

BACK FOCUS

Definition: Distance between the back surface of the lens and the image plane, when the lens is focused at infinity.

BACK LIGHTING

Definition: A form of lighting in which the principal light source shines toward the camera and lights the subject from behind.

BACK PRINTING

Definition: information printed on the back of a picture by the photofinisher. The system standard requires the printing of frame number, film cassette number and processing date automatically on the back of each Advanced Photo System print.

BACK PROJECTION

Definition: projection system often used to create location backgrounds in the studio.

BACK-LIGHTING

Definition: Light coming from behind the subject.

BACK-PRINTING

Definition: Information printed on the back of a picture by the photofinisher. The system standard requires the printing of frame number, film cassette number and processing date automatically on the back of each Advanced Photo System print; may also include more detailed information, such as customized titles and time and date of picture-taking.

BACKGROUND

Definition: Areas shown behind the main subject in a picture.

Definition: The part of the scene the appears behind the principal subject of the picture.

BACKGROUND COLOUR

Definition: This is the colour that appears when part of an image is erased, cut or deleted

BACKGROUND DENSITY

Definition: density of any selection of a negative or print on which there is no image. Also referred to as Fog level.

BACKGROUND PROCESSING

Definition: Allows assignment of specific operations to the background while the computer continues to perform previously assigned instructions.

BACKING

Definition: dark coating, normally on the back of a film, but sometimes between emulsion and base, to reduce halation. The backing dye disappears during processing.

BACKLIGHT CONTROL

Definition: An exposure compensation introduced when the subject of a picture is lit from behind ( which can fool a camera's metering system, creating a silhouette effect ).

BACKLIGHTING

Definition: Light coming from behind the subject, toward the camera lens, so that the subject stands out vividly against the background. Sometimes produces a silhouette effect. Photographer: Jose Navarro Salazar

BACKPRINTING

Definition: Up to two lines of information, like exposure data, time, date, location can be printed on the back of each picture. This information can be recorded in the camera or later be put on with special equipment.

BAFFLE

Definition: A type of shield that prohibits light from entering an optical system.

BAG BELLOWS

Definition: short flexible sleeve used on large format cameras in place of normal bellows when short focal length lenses are employed.

BALANCE

Definition: Placement of colors, light and dark masses, or large and small objects in a picture to create harmony and equilibrium.

BALANCED FILL-FLASH

Definition: Balanced fill-flash is required. In balanced fill-flash operation, flash output is controlled to keep it in balance with the ambient light on the scene. Nikon offers Automatic balanced Fill-Flash where flash output is automatically compensated to be in balance with the ambient light.