Difference between revisions of "Sunny 16"
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== Weather Symbols == | == Weather Symbols == | ||
{{Flickr_image | {{Flickr_image | ||
| − | |image_source= http://www.flickr.com/photos/24225011@N04/2661810635/in/pool- | + | |image_source= http://www.flickr.com/photos/24225011@N04/2661810635/in/pool-camerawiki/ |
|image= http://farm4.static.flickr.com/3273/2661810635_fabf54c272_m.jpg | |image= http://farm4.static.flickr.com/3273/2661810635_fabf54c272_m.jpg | ||
|image_align= right | |image_align= right | ||
|image_text= weather symbols on the shutter speed<br>ring of a [[Cosmic Symbol]] | |image_text= weather symbols on the shutter speed<br>ring of a [[Cosmic Symbol]] | ||
| + | |image_by= AWCam | ||
| + | |image_rights=with permission | ||
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Sunny 16 is sometimes formalised onto a camera as weather symbols. | Sunny 16 is sometimes formalised onto a camera as weather symbols. | ||
Revision as of 19:36, 15 October 2011
Sunny 16 is a light metering guideline that says proper exposure on a sunny day is f/16 at a shutter speed that is the reciprocal of your film speed. The exposure is reduced by one stop for sun+clouds, another for cloudy and so forth, e.g.:
| Condition | Aperture |
| Bright sun | f16 |
| Hazy sun +clouds |
f11 |
| Cloudy | f8 |
| Overcast, Dull |
f5.6 |
For example, for a film speed of 100 ISO/ASA, a speed of 1/125 would be selected. For 200 ISO/ASA, 1/200 or 1/250, and so on. The closest match to the speed of the film to shutter speed being desired, depending on the speeds available.
Weather Symbols
|
| weather symbols on the shutter speed ring of a Cosmic Symbol image by AWCam (Image rights) |
Sunny 16 is sometimes formalised onto a camera as weather symbols. The shutter speed and aperture controls are marked - one with the film speed and the other with sunny/cloudy (etc) symbols.
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