Focal plane

Plane on which a given subject is brought to a sharp focus, where the film is positioned.
Found on http://www.peterashbyhayter.co.uk/glossaryT-Z.html

Focal plane

When a lens brings light to a focus, the image produced by the lens lies on an imaginary plane, which is the same distance from the lens as the focal length
Found on http://www.irpoyser.co.uk/glossary.php

Focal Plane

A surface upon which the image of all points in the field of view of an optical instrument is created. See also: Focus, Optic Axis.
Found on http://www.diracdelta.co.uk/science/source/f/o/focal%20plane/source.html

Focal plane

The plane on which the image of a subject is brought to focus behind the lens. To produce a sharp picture, the lens must be focused so that this place coincides with the plane on which the film sits. Also called the film plane.
Found on http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl

Focal plane

The plane on which the image of a subject is brought to focus behind the lens. To produce a sharp picture, the lens must be focused so that this place coincides with the plane on which the film sits. Also called the film plane
Found on http://www.digitalexposure.ca/sub1.html

focal plane

The flat plane at right angles to the optical axis onto which a lens will focus an image. Curvature of field results in an extended image forming on a curved surface known as the focal surface. A focal plane scale is the relationship between angles on the sky, in arcseconds, and millimeters of size ...
Found on http://www.daviddarling.info/encyclopedia/F/focal_plane.html

Focal Plane

The point directly behind the lens where the film is usually located for exposure. That which is being photographed at an infinite distance, comes into clear perspective at this juncture, the focal plane
Found on http://www.allmovie.com/glossary/term/focal+plane

Focal Plane

The plane within a film camera where the light strikes the film.
Found on http://www.superglossary.com/Glossary/Technology/Television_%28TV%29/

Focal Plane

Imaginary line perpendicular to the optical axis which passes through the focal point. It forms the
Found on http://www.superglossary.com/Glossary/Entertainment/Photography/
No exact match found