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Filter systems

Most filters these days are designed as modular filter systems consisting of a square filter holder with slots for three rectangular filters and, sometimes, a circular polarising filter too. The filter holder attaches to the camera lens via an adaptor ring. In this way, the same filter holder and filters can be used with many different lenses.

Filters and when to use them

August 20, 2019 by Rod Lawton

Even in an age of digital photo editing, there are still some lens filters that either can’t be reproduced digitally or are more effective than their digital equivalents. These include protective UV filters, polarizing filters, graduated and neutral density filters. UV filters are used these days purely as a protection for the front element of […]

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