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- Panning
- Refers to following a subject with the camera and keeping it in the same position in the viewfinder as it moves across (not towards or away from) the field of view.
- Panorama
- A wide or ultra wide-angle image, often, but not restricted to, a landscape.
- Parallax
- The difference between image coverage in the viewfinder and the image taken by the lens. Parallax occurs when the optical axis of the viewfinder is in a different position than that of the camera lens. This occurs in lens-shutter cameras.
- PC Lens
- A perspective control lens. The barrel of a PC lens can be shifted so that you can keep the plane of the film or sensor parallel to the subject. Useful for photographing elongated or tall subjects, such as buildings.
- Portable Document Format. A file format created by Adobe to allow the easy sharing of files of images and text among computers without requiring the specific software application that created the elements of the file.
- Perspective Control
- Correcting in an image editing program or composing to eliminate the distortion that occurs in a photograph because the flat surface of the camera's sensor (or, in the case of a film camera, the film plane) is not parallel to parallel lines Find out more.
- Perspective
- The relative size, distance and depth of a three-dimensional subject or scene within a two-dimensional flat picture.
- Photosynth
- A software program from Microsoft that analyzes a series of digital photographs and creates from them a three-dimensional simulation.
- PICT
- A file format used by Macintosh for graphic imaging.
- Picture Angle
- Refers to the amount of a scene that will be in the photo. It is determined by the focal length of the lens and the format of the camera and is usually measured across the diagonal of the frame. Also called angle of view.
- Pixel
- An abbreviation for picture element, it represents the basic building block of every image. It helps to think of pixels as tiny individual blocks or squares, each having a specific color and each one touching the next to form a color image.
- Pixelization
- An abbreviation for picture element, it represents the basic building block of every image. It helps to think of pixels as tiny individual blocks or squares, each having a specific color and each one touching the next to form a color image.
- Polarizing Filter/Polarizer
- Usually indicates a linear polarizing filter, which eliminates various degrees of reflected light from glass, water, plastic, paper and similar surfaces.
- Posterization
- A graphic effect in which an area of an image with a smooth transition of tones is replaced with several areas of fewer tones.
- PPI
- Pixels per inch. A commonly used unit of measure that indicates the number of pixels contained in a square inch of space. Generally, the more pixels per square inch, the greater the sharpness or resolution of an image.
- Preset-Focus Shooting
- A technique in which focus is set at a predetermined setting and the shutter is released when the subject moves into the focus point.
- Prime Lens
- A lens whose focal length is fixed, as opposed to a zoom lens, which has a variable focal length.
- Principal Point
- The point from which the focal length of a lens is measured. The principal point of a simple lens is located at the center of the lens. Compound lenses have two principal points, the location of which cannot be determined by appearance.
- Program Shift
- In programmed auto exposure mode, this function enables you to temporarily change an automatically set shutter speed/aperture combination while maintaining the correct exposure.
- Programmed Auto Exposure
- A mode in which the camera automatically selects the optimum combination of shutter speed and aperture.
- Push-Processing
- Refers to increasing the development time of film. Film is designed to be exposed at its rated ISO number, but if you choose to underexpose the film, push-processing will be required to achieve acceptable results.