Photo school

Image resolution
Photo school

Image resolution

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All digital photos fundamentally consist of countless, interconnected pixels. These tiny pixels contain information about colour and brightness. When an image is captured, the camera’s image sensor stores individual detected pixels and projects a corresponding image. The resolution indicates how detailed an image can be reproduced or how many pixels it consists of. Different minimum […]

Lens Filters
Photo school

Lens Filters

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Filters for analogue and digital photography There’s a very large selection out there of lens filters. Conventional analogue lens filters are screwed onto the front of the lens. These correctional and effect filters are used for a wide variety of purposes. In the day and age of digital photography, some filters can even be digitalised […]

The Golden Ratio
Photo school

The Golden Ratio

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The math behind it The golden ratio is the division ratio of a segment. The ratio correlates the relationship between the whole and larger portion (also called Major) as well as the relationship between the larger portion and smaller portion (Minor). Expressed as a formula: Whole / Major = Major / Minor ≅ 0,618 Thus, the major portion should […]

File Formats
Photo school

File Formats

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File formats define the syntax, that is to say the inner structure, of data. Depending on the intended applications, there are various available file formats for photos. While some formats are mostly used for exchanging photos, other formats are optimised for further editing. Thanks to Exif data, additional information can also be added to the […]