apertur relatif

Indonesian

Noun

apertur relatif (uncountable)

  1. (photography) relative aperture, f-number, f-stop (the ratio of a lens's focal length to the diameter of its entrance pupil (the effective opening), defining its light-gathering ability, expressed as an f-number (e.g., f/2.8, f/8) or a ratio (e.g., 1:2.8))

Further reading

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