Definition: One or more pieces of optical glass or similar material designed to collect and focus rays of light to form a sharp image on the film, paper, or projection screen.
Definition: A optical device made of glass or other transparent material that forms images by bending and focusing rays of light. A lens made of a single piece of glass cannot produce very sharp or exact images, so camera lenses are made up of a number of glass "elements" that cancel out each other's weakness and work together to give a sharp true image. The size, curvature and positioning of the elements determine the focal length and angle of view of a lens.
Definition: An optical device made of glass or other transparent material that forms images by bending and focusing rays of light. A lens made of a single piece of glass cannot produce very sharp or exact images, so camera lenses are made up of a number of glass "elements" that cancel out each other's weaknesses and work together to give a sharp true image. The size, curvature and positioning of the elements determine the focal length and angle of view of a lens.
Definition: optical element made of glass or plastic and capable of bending light. A lens may be constructed of single or multiple elements.
Definition: A optical device made of glass or other transparent material that forms images by bending and focusing rays of light. A lens made of a single piece of glass cannot produce very sharp or exact images, so camera lenses are made up of a number of glass "elements" that cancel out each other's weakness and work together to give a sharp true image. The size, curvature and positioning of the elements determine the focal length and angle of view of a lens.
Definition: An optical device made of glass or other transparent material that forms images by bending and focusing rays of light. A lens made of a single piece of glass cannot produce very sharp or exact images, so camera lenses are made up of a number of glass "elements" that cancel out each other's weaknesses and work together to give a sharp true image. The size, curvature and positioning of the elements determine the focal length and angle of view of a lens.
Definition: optical element made of glass or plastic and capable of bending light. A lens may be constructed of single or multiple elements.
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