Term
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Definition
the adjustable opening in a lens, which is one determinant (along with
shutter speed) of the amount of light that will pass through. Relative Aperture is
expressed as ƒ/number, which represents the focal length of the lens divided by the diameter of the aperture. |
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Term
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Definition
forerunner of the photographic camera. Originally a darkened
room in which observers could view images of outside subjects projected (upside
down) through a pinpoint light source onto a facing wall. Later this evolved into a portable box with an aperture, lens, mirror, and viewing screen. |
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Term
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Definition
Any photographic image in which the tones are the reverse of those in the
original subject. Also, the film, plate, or paper exposed to light in a camera and processed to make the negative image. |
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Term
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Definition
a photographic image on any support or material in which the tonalities
and colours accord with those of the subject portrayed (as opposed to a negative, in which they are reversed). At times used interchangeably with print. |
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Term
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Definition
Any photographic image in which the tones are the reverse of those in the
original subject. Also, the film, plate, or paper exposed to light in a camera and processed to make the negative image. |
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Term
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Definition
A tiny aperture in a camera without a lens. Light passing through it forms
an inverted image on film or light‐sensitive paper or film. |
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