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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About focusing
For a modern photographer, it is vital to be able to get fast and accurate autofocus from the camera. In this post I will give my thoughts on how to…

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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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Viewfinder size

Modern digital mirror cameras are most often used for focusing the optical viewfinder. Amateur photographers call it simply ‘peephole‘. Abbreviated Optical Detector called OVI. OVI differ from each other in optical crystal, coating and zooming in, focusing displays, lightening and used LCD, LED displays. In this article I want to describe exactly the size of the HVI. Continue reading

What type of camera to choose
Today on the market there are two types of cameras most often - digital mirror and ordinary digital cameras. I decided to write a small article about choosing between what…

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Gigapixels
The megapixel race continues, and now even mobile phones by their number can bypass very expensive SLR cameras. 36 MP for Nikon D800 and Sony 7R already surprise no one,…

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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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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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