What is Vignetting?
Vignetting is the effect of darkening the corners of an image. Often, vignetting is simply called ‘vignette‘ In a broader sense, vignetting is a change in the brightness of an…

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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…

Continue reading →

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…

Continue reading →

rays

The effect of star rays in photos

When shooting a bright light source into the frame, you can get an interesting effect with the rays of light. This effect is usually called Star Effect.

This effect is very easy to get. To do this, simply remove the bright light source on the closed aperture. How much the aperture has to be closed depends on the lens on which the image is being taken. Each lens has a certain number F, which results in a pronounced effect with the rays. For the most part, when using digital cameras that do not have a mechanical diaphragm control device with aperture blades, the effect with the rays will not work. Continue reading

Receptions photography at long exposures. Light painting.
“Late in the evening, when you sit at home and do not know what to do, experiment with a long exposure.” I think one of the ancient wise men said…

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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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What is a diaphragm?
For a better understanding of the operation of such a device I will give an example from life. When people look at the sun - they squint their eyes, that…

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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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