Histogram
Getting the correct exposure when shooting with a digital camera is easy. In this article, you will learn what a histogram is, how it can be used to control exposure,…

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Types of photo image stabilizer and their description
Cameras are changing significantly under the influence of new technologies. Today, they weigh much less than earlier models. In this regard, there is a risk of getting a fuzzy image…

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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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Monthly Archives: June 2019

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 fact, so-called blurring circles rarely have a perfectly round shape. They usually look like more or less regular polygons with the number of sides corresponding to the number of diaphragm lobes. The aperture in Nikon lenses has 7 or 9 lobes, in Canon lenses – 6, 7 or 8 (occasionally 9). The more petals there are, the more rounded the blurring disk looks, and an odd number of petals usually produces polygons that are more pleasing to the eye. Continue reading

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

Can I fix the errors later?
As for the exhibition, no, you can't. Overexposure is not allowed in digital photography. Even if you shoot in RAW, the capabilities of RAW converters (contrary to the assurances of…

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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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