10 anti-blogging tips
How often you get tired of reading and want to see something nice for the eye and start to perceive life through the eyes, and not through the ears -…

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Optimum Aperture Selection
The ability to effectively use an existing lens has a much greater effect on the sharpness of a photograph than the choice of the lens itself. The number of apertures…

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Back focus
Imagine a terrible picture: you bought a reflex camera, and the pictures from it come out fuzzy. However, if you look closely at the pictures, you will find that the…

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for calculating

Image angle

The angle of the image or the angular field of the lens is the angle formed by the rays connecting the extreme opposite points of the frame with the optical center of the lens. In other words, this is the maximum angular size of an object that can be captured using this lens.

The wide angle of the image allows the lens to cover more space due to the small scale of the image. The narrow angle of the image shows less space, but on a larger scale.

Since the frame has a rectangular shape, it is necessary to distinguish the angular field, measured horizontally, vertically and diagonally. In the technical characteristics of photographic lenses, the largest, i.e. Continue reading

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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7 mistakes of any photographer
If you are a photographer, you have at least seven funny stories that you would rather not remember. Well, yes, it is - as it is human nature to make…

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Photo Archiving
The time of the film has passed, and with it the time of photo printing has somehow sunk into oblivion, sadly enough - if we discard professionals who are forced…

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Diffraction
Diffraction is an optical phenomenon that limits the sharpness of a photograph while reducing the relative aperture of the lens. Unlike other optical aberrations, diffraction is fundamentally unremovable, universal and…

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