Subject movement
No matter how stable your camera is, its stability is completely useless when shooting moving objects. Only a short shutter speed will help freeze the movement. This is why when…

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Features of color correction in Photoshop
The work of the color corrector mainly consists in processing images (and other material) that are being prepared for output to devices. Often, processing causes a lot of problems for…

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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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focus

What is bokeh?

Bokeh (English. bokeh; YAP. 暈け or ボケ – “blurring”) is a characteristic of the aesthetic qualities of the image area that lies out of focus, i.e. outside the grip area. Bokeh has nothing to do with sharpness: two lenses that depict objects in focus equally sharply can have a completely different blur pattern, the subjective artistic merits of which are described by the term bokeh.

An ideal lens from an engineering point of view focuses light from a point source in the form of a regular cone. When the tip of the cone touches the plane of the matrix or the camera film, the image is in focus and the photo gets an extremely small point. Continue reading

Factors affecting bokeh
The number and shape of aperture blades The arrangement of the lens aperture affects not so much the quality of the blur as the shape of the blur circles. In…

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How many colors are there?
We see the world in color, hence the special realism and appeal of color photography, especially since modern digital cameras that shoot in color by default make it extremely accessible.…

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Good pictures in bad light
Regularly photographing in natural light, it is not difficult to notice that a really good light (not abundant, but good) is a frustratingly rare phenomenon. Let's be honest: beautiful lighting…

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