Bar chart
A histogram is a chart based on the tonal distribution of pixels in a picture. From the left to the right (horizontally) the brightness is indicated, and from the bottom…

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Dependence of the viewing angle of the lens on the focusing distance
When focusing on some lenses you can notice a very interesting effect. Many lenses change (usually reduce) the field of view when focusing from infinity to MDF (minimum focusing distance).…

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RAW converter
Modern digital photography is very much connected with image processing programs. Sometimes it is the photo editor that creates exactly the photo that we ultimately consider the work of the…

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converters

RAW converter

Modern digital photography is very much connected with image processing programs. Sometimes it is the photo editor that creates exactly the photo that we ultimately consider the work of the photographer.

Modern digital photography is cunning, sometimes it turns into ordinary mathematical tricks, which I already wrote about in ‘Subpixels’, ‘Gigapixels’, ‘JPEG,‘ Tricks with RAW and ‘RAW Settings‘. Continue reading

Depth of Field Preview
Some cameras have a function to preview the depth of field. To understand how it works, you first need to know what the depth of field is, for example, you…

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Multiexposure
Multiple exposure is simply multiple exposures of the same frame. At multiple exposure, the matrix or film is exposed several times. Speaking quite simply, the camera “photographs” several times, and…

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Exposure. Exposure correction.
Exposure is dosed by fixed assets: Exposure Aperture ISO sensitivity value Flash (or other lighting) Basically, in digital photography, it is customary to say that exposure depends only on shutter…

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The lenses. Myths and reality
Previously, the material described below was part of an article about types of lenses, but the article grew and broke into two separate parts. When choosing a photo lens, many…

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