Exposure value (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Exposure value" in English language version.

Last modified: 23:22:25, 4 May 2026 (UTC)

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Canon n.d. Canon (n.d.). "Camera settings: Shooting modes". Canon Professional Network. Archived from the original on 2013-05-27. Retrieved 2016-12-05.

CIPA (2016). Camera and Imaging Products Association (2016). "Exchangeable image file format for digital still cameras: Exif Version 2.31" (PDF). CIPA. Archived from the original (PDF) on 2019-07-12.

In optics, the term "stop" properly refers to the aperture itself, while the term "step" refers to a division of the exposure scale. Some authors, e.g., Davis (1999), p. 13, prefer the term "stop" because they refer to steps (e.g., on a step tablet) that are other than powers of 2. ISO standards generally use "step", while photographers normally use "stop". Davis, Phil (1999). Beyond the Zone System (4th ed.). Boston: Focal Press. ISBN 0-240-80343-4. Archived from the original on 2007-03-10.
The practice of expressing luminance in EV for ISO 100 is long established; Ray (2002), p. 592 cites Ulffers (1968) as an early example. Ray, Sidney F. (2002). Applied Photographic Optics (3rd ed.). Oxford: Focal Press. ISBN 0-240-51540-4. Archived from the original on 2007-02-12. Ulffers, D. (1968). "Sensitivity Specifications of Exposure Meters". British Journal of Photography (115): 47.

In optics, the term "stop" properly refers to the aperture itself, while the term "step" refers to a division of the exposure scale. Some authors, e.g., Davis (1999), p. 13, prefer the term "stop" because they refer to steps (e.g., on a step tablet) that are other than powers of 2. ISO standards generally use "step", while photographers normally use "stop". Davis, Phil (1999). Beyond the Zone System (4th ed.). Boston: Focal Press. ISBN 0-240-80343-4. Archived from the original on 2007-03-10.
The practice of expressing luminance in EV for ISO 100 is long established; Ray (2002), p. 592 cites Ulffers (1968) as an early example. Ray, Sidney F. (2002). Applied Photographic Optics (3rd ed.). Oxford: Focal Press. ISBN 0-240-51540-4. Archived from the original on 2007-02-12. Ulffers, D. (1968). "Sensitivity Specifications of Exposure Meters". British Journal of Photography (115): 47.
CIPA (2016). Camera and Imaging Products Association (2016). "Exchangeable image file format for digital still cameras: Exif Version 2.31" (PDF). CIPA. Archived from the original (PDF) on 2019-07-12.
Canon n.d. Canon (n.d.). "Camera settings: Shooting modes". Canon Professional Network. Archived from the original on 2013-05-27. Retrieved 2016-12-05.