Filter

Introduction to filters

Many filters that are crucial in analog photography are not particularly useful in digital photography. Numerous filters that are used in analog photography can be simulated in an improved and controlled manner on the computer. However, there are some filters that still fulfil their purpose and are still used (e.g., polarising filters, ND filters, grey filters, grey graduation filter…) and cannot be simulated using the computer. The article provides an overview of the topic „Filters in photography“. The links provide even more information about this topic.

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Filters and Digital Photography

Numerous filters that are used in analog photography can be simulated in a controlled manner on the computer. The effect of these filters can be well estimated and if need be can be undone. Among the filters that fall into this category are mainly effect and colour filter (e.g., colour correction filter, Gaussian blur, starburst filter, grid filter, colour gradient filter). These filters are seldom used in digital photography. The following article focuses mainly on filters that are used when capturing an image (e.g., polarising filters, ND filters, grey filters, grey graduation filter…) as their effect cannot be fully recreated in image processing.

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