Traditional Culture Encyclopedia - Photography and portraiture - On a white background, the photos are gray. Why? Is there something wrong with the camera?
On a white background, the photos are gray. Why? Is there something wrong with the camera?
Remember I said that the whiter the formula, the darker the color.
Shooting a large area of white requires extra exposure. If you shoot a large area of black for a long time, you have to reduce the first exposure.
Principle 1. Camera photometry can only distinguish the gray-white objects in 18%, and the reflection is far more than 18, reaching 90%, and such objects are mistaken for 18% after camera photometry, so you have to artificially increase the exposure.
2. Black objects will be automatically upgraded to 18 due to insufficient reflection, so the camera will directly expose, so it will shoot the whiteness of black, so you should reduce the exposure.
You need to pay attention to the following shooting modes
Backlight shooting leads to subject darkness, which requires+1.7 exposure.
The white sand beach by the sea leads to dark photos, which need to be exposed by+1.0.
Cloudy shadows make the photo slightly brighter -0.7~ 1.0.
Black subjects such as crows make photos bright-1.7
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