| B |
| B&W:: |
Black and white. Also appears as "B and W" and "B/W." |
| BACKDROP:: |
The background in a studio. |
| BACKGROUND:: |
The area within the viewfinder that is behind the subject of a photograph. |
| BACK-LIGHTING:: |
Light directed at the subject from behind the subject. |
| BACKPRINTING: : |
| Many photofinishers can backprint your photographs with frame numbers, making selection of the right negative for reprints very easy. Many APS cameras have sophisticated backprinting capabilities that include custom backprint captioning. |
| BACKSCATTER:: |
Suspended particles in water that are illuminated, and therefore captured on film as a cloud or scattering of light dots, when using a flash underwater near the lens. |
| BALANCE:: |
Compositional harmony of a scene based on the placement of elements of different sizes, shapes and colors. |
| BARE BULB:: |
Electronic flash unit used without a reflector or diffuser. |
| BARN DOORS :: |
These are small “gobos” (light-blocking devices) that fall under the general category of “grip equipment.” They are accessories that attach to studio lights and swivel on hinges (just like the doors on a barn) to allow the photographer to control the light’s direction and the width of the light beam. |
| BIT: : |
| Smallest unit of memory in a digital system. A contraction of "binary" and "digit." A bit is either on (0) or off (1). |
| BITMAT: : |
| A digital image format that maps out the image by assigning each individual pixel a specific color value. |
| BULB: : |
| Setting that holds a camera shutter open for as long as the release button is depressed.
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| BYTE: : |
| A group of 8 bits. (See Bit). It’s the basic unit of information used by a computer.
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