How to learn to take pictures
Why are amateur pictures so weak? First of all, because the ordinary photographer is not aware of their weaknesses. This is not a big deal if the snapshot function is…

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How to find out the pixel size of a matrix?
Why might a photographer need a pixel size? There are enough such situations. Knowing the pixel size can be useful for determining safe shutter speeds when shooting with handhelds, because…

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How to check used lens before purchase?
All problems when choosing used lenses come down to one thing: they used a lens. This means that they were photographed a lot, put and removed from the camera, stored…

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constancy inherent

White balance

White balance is an important tool for managing the color palette of a photograph. One of the advantages of a living person over a digital camera is that a person sees white objects as white regardless of the color of the light source due to the color constancy inherent in human vision. Forming a visual image, our brain uses not only directly the signals of the photosensitive receptors of the eye, but also information about the type of light source, as well as our knowledge about what color this or that object should be. A digital camera is much more primitive, but it comes to the aid of the ability to adjust the white balance. This is a parameter with which you can change the color of your photos in accordance with changing lighting conditions. White balance is needed in order to tell the camera which of the subject under given lighting conditions should appear in photographs of a neutral tone, i.e. white or gray, and the camera, in turn, shifts all other colors so that the color balance (the Continue reading

Scatter Circle Size
A scatter spot (circle) is a distorted image of a point projected by a photographic lens onto the camera’s matrix or film. These distortions are caused, firstly, by structural factors,…

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Dynamic range
The dynamic range or the photographic latitude of the photographic material is the ratio between the maximum and minimum exposure values ​​that can be correctly captured on the image. In…

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Capacity
The bit depth or color depth of a digital image is the number of binary bits (bits) used to encode the color of a single pixel. It is necessary to…

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RAW or not RAW
The RAW format will never be accepted. Never means “never”, and not “not in the near future”. Old photographers remember that before its appearance there were several formats that, although…

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