Sunny 16 rule

Sunny 16 rule

:dablink|For the EP by Ben Folds, see Sunny 16 (EP) In photography, the sunny 16 rule (or, less often, the "sunny f/16 rule") is a method to estimate correct daylight exposures without using a light meter.

The basic sunny 16 rule, applicable on a sunny day, is this:
* Set aperture to f/|16|link=yes and shutter speed (reciprocal seconds) to ISO film speed.

For example, for ISO 100 film, choose shutter speed of 1/100 second (or 1/125 second)

The elaborated form of the sunny 16 rule for more general situations is:

#Set the shutter speed to the setting nearest to the ISO film speed
#Set the f-number according to the table below:

:: [http://www.camerareview.com/templates/sunny16.cfm]

For example, to shoot ISO 100 film in sunny conditions, set the shutter speed to 1/100 or 1/125 and the f-stop to f/16. With ISO 200 film, set the speed to 1/200 or 1/250. For ISO 400 film, 1/400 or 1/500. As with other light readings, the shutter speed can be changed, as long as the f-number is compensated. For example, 1/250th of a second at f/11 would be equivalent to 1/125th at f/16.

External links

* [http://guidetofilmphotography.com/sunny-16-exposure.html Guide to Photography] Sunny 16 and film exposure guide.
* [http://home.earthlink.net/~kitathome/LunarLight/moonlight_gallery/technique/moonbright.htm Rules of thumb for moonlit exposures]
* [http://www.fredparker.com/ultexp1.htm Ultimate Exposure Computer] Fred Parker's page on exposure.


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