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- Sunny_16_rule abstract "In photography, the sunny 16 rule (also known as the sunny f/16 rule) is a method of estimating correct daylight exposures without a light meter. (For lunar photography there is a similar rule known as the looney 11 rule.) Apart from the obvious advantage of independence from a light meter, the sunny 16 rule can also aid in achieving correct exposure of difficult subjects. As the rule is based on incident light, rather than reflected light as with most camera light meters, very bright or very dark subjects are compensated for. The rule serves as a mnemonic for the camera settings obtained on a sunny day using the exposure value (EV) system.The basic rule is, "On a sunny day set aperture to f/16 and shutter speed to the [reciprocal of the] ISO film speed [or ISO setting] for a subject in direct sunlight." For example: On a sunny day and with ISO 100 film / setting in the camera, one sets the aperture to f/16 and the shutter speed to 1/100 or 1/125 second (on some cameras 1/125 second is the available setting nearest to 1/100 second). On a sunny day with ISO 200 film / setting and aperture at f/16, set shutter speed to 1/200 or 1/250. On a sunny day with ISO 400 film / setting and aperture at f/16, set shutter speed to 1/400 or 1/500.As with other light readings, shutter speed can be changed as long as the f-number is altered to compensate, e.g. 1/250 second at f/11 gives equivalent exposure to 1/125 second at f/16. More in general, the adjustment is done such that for each step in aperture increase (i.e., decreasing the f-number), the exposure time has to be halved (or equivalently, the shutter speed doubled), and vice versa. This follows the more general rule derived from the mathematical relationship between aperture and exposure time—within reasonable ranges, exposure is proportional to the square of the aperture ratio and proportional to exposure time; thus, to maintain a constant level of exposure, a change in aperture by a factor c requires a change in exposure time by a factor 1/c2 and vice versa. Steps in the aperture always correspond to a factor close to the square root of 2, thus the above rule.An elaborated form of the sunny 16 rule is to set shutter speed nearest to the reciprocal of the ISO film speed / setting and f-number according to this table:".
- Sunny_16_rule wikiPageExternalLink sunny-16-exposure.html.
- Sunny_16_rule wikiPageID "168421".
- Sunny_16_rule wikiPageLength "4205".
- Sunny_16_rule wikiPageOutDegree "16".
- Sunny_16_rule wikiPageRevisionID "678669577".
- Sunny_16_rule wikiPageWikiLink Aperture.
- Sunny_16_rule wikiPageWikiLink Category:Photographic_techniques.
- Sunny_16_rule wikiPageWikiLink Category:Rules_of_thumb.
- Sunny_16_rule wikiPageWikiLink Exposure_(photography).
- Sunny_16_rule wikiPageWikiLink Exposure_value.
- Sunny_16_rule wikiPageWikiLink F-number.
- Sunny_16_rule wikiPageWikiLink Film_speed.
- Sunny_16_rule wikiPageWikiLink Light_meter.
- Sunny_16_rule wikiPageWikiLink Looney_11_rule.
- Sunny_16_rule wikiPageWikiLink Mnemonic.
- Sunny_16_rule wikiPageWikiLink Shutter_speed.
- Sunny_16_rule wikiPageWikiLink Square_root_of_2.
- Sunny_16_rule wikiPageWikiLinkText "Sunny 16 rule".
- Sunny_16_rule wikiPageWikiLinkText "daylight exposure".
- Sunny_16_rule wikiPageWikiLinkText "sunny 16 rule".
- Sunny_16_rule hasPhotoCollection Sunny_16_rule.
- Sunny_16_rule wikiPageUsesTemplate Template:F.
- Sunny_16_rule wikiPageUsesTemplate Template:For.
- Sunny_16_rule wikiPageUsesTemplate Template:Reflist.
- Sunny_16_rule wikiPageUsesTemplate Template:Sfrac.
- Sunny_16_rule subject Category:Photographic_techniques.
- Sunny_16_rule subject Category:Rules_of_thumb.
- Sunny_16_rule hypernym Method.
- Sunny_16_rule type Software.
- Sunny_16_rule type Heuristic.
- Sunny_16_rule type Technique.
- Sunny_16_rule comment "In photography, the sunny 16 rule (also known as the sunny f/16 rule) is a method of estimating correct daylight exposures without a light meter. (For lunar photography there is a similar rule known as the looney 11 rule.) Apart from the obvious advantage of independence from a light meter, the sunny 16 rule can also aid in achieving correct exposure of difficult subjects.".
- Sunny_16_rule label "Sunny 16 rule".
- Sunny_16_rule sameAs 16.
- Sunny_16_rule sameAs Sunny_16_rule.
- Sunny_16_rule sameAs Reguła_%22słońce_16%22.
- Sunny_16_rule sameAs Regra_sunny_16.
- Sunny_16_rule sameAs m.016jx0.
- Sunny_16_rule sameAs 16.
- Sunny_16_rule sameAs F16-regeln_(foto).
- Sunny_16_rule sameAs Q2575733.
- Sunny_16_rule sameAs Q2575733.
- Sunny_16_rule sameAs 阳光16法则.
- Sunny_16_rule wasDerivedFrom Sunny_16_rule?oldid=678669577.
- Sunny_16_rule isPrimaryTopicOf Sunny_16_rule.