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- Background
- General term for anything behind the main subject in a photograph.
- Backlighting
- Lighting that illuminates the subject from a position opposite the position of the camera.
- Balanced Composition
- An image composed to create a harmonious distribution or arrangement of objects, tones or patterns.
- Barrel Distortion
- A lens effect in which the straight lines in an image appear to be inflated or sphere shaped.
- Bellows Attachment
- A flexible, light-proof enclosure placed between the camera and the lens for close-up and macro photography. The desired reproduction ratio can be obtained by adjusting the bellows. Provides a higher reproduction ratio than extension rings.
- Bit
- A unit of measurement indicating the information capacity of one binary digit.
- Bitmap
- A pixel-by-pixel description of an image, where each pixel is a separate element.
- Blinking Highlights
- A feature of Nikon digital SLR cameras, the blinking highlights display indicates areas of the photograph in which highlight detail is missing.
- Blur
- A way of softening an image or part of an image.
- Bounce Light
- Refers to a flash unit aimed at a reflecting surface, such as a wall or ceiling, to illuminate the subject with reflected light.
- Bracketing
- An exposure technique to assure an accurate, or preferable, exposure.
- Buffer
- Memory in a camera or digital device that stores information before it is written to a storage source.
- Bulb (B Setting)
- A shutter speed setting that holds the shutter open for as long as the shutter release button remains pressed. Commonly used for long time-exposures.
- Burning
- Selectively darkening part of a photo using an image editing program or a mechanical technique in a traditional darkroom. Also the writing of material to a CD or DVD.
- Burst (Continuous)
- The digital SLRs' version of a film camera's motor drive sequence.
- Byte
- A unit of measurement of information storage equaling eight bits.