By: Hailie Lopez

Important Photographers through out history

Important Vocab. Terms

Aperture- to control the amount of light reaching the film or image sensor.

F/stop-In optics, the f-number (sometimes called focal ratio, f-ratio, f-stop, or relative aperture ) of an optical system is the ratio of the lens focal length to the diameter of the entrance pupil. It is a dimensionless number that is a quantitative measure of lens speed, and an important concept in photography.

Candid- Taken informally, especially without the subject's knowledge.

Exposure-In photography, exposure is the amount of light per unit area reaching a photographic film or electronic image sensor.

F/16 rule-is a method of estimating correct daylight exposures without a light meter.

Focus-(of a person or their eyes) adapt to the prevailing level of light and become able to see clearly.

Lens-a piece of glass or other transparent substance with curved sides for concentrating or dispersing light rays, used singly (as in a magnifying glass) or with other lenses (as in a telescope).

Speed-is the measure of a photographic films sensitivity to light, determined by sensitometry and measured on various numerical scales

Zoom-a camera shot that changes smoothly from a long shot to a close-up or vice versa.

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