Dynamic range
Light falling on the photodiodes of the digital camera matrix is converted into an electrical signal. For this to happen, the number of photons that hit each individual photodiode must…

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The purpose of color correction
Color correction is a purposeful change in the color components of an image to achieve a better result. In other words, it is a substitution of the original color, tone,…

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The composition defines
Don't confuse composition with framing. Framing determines the direction of the view and the field of view, and composition determines the relative position of objects. By pointing the camera in…

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Dynamic range

Light falling on the photodiodes of the digital camera matrix is converted into an electrical signal. For this to happen, the number of photons that hit each individual photodiode must exceed the sensor sensitivity threshold. If there are not enough photons, the corresponding section of the frame will be completely black. If the exposure is excessive, the photodiodes are saturated with photons and the overexposed area turns out to be white. The ratio between the exposure values required to produce a completely black and completely white color is called the sensor’s dynamic range or photographic latitude. Continue reading

Light
Light is the heart of photography. The camera does not see the image. There are no lines, shapes, or textures for it. A film or digital sensor is only susceptible…

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Inverse square law
It is not superfluous to mention here also the law of inverse squares, the action of which you will certainly encounter. It sounds like this: the intensity of light is…

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A little theory
White balance is an important tool for managing the color palette of a photo. One of the advantages of a living person over a digital camera is that a person…

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