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Real World Digital Photography, 2nd edition by Tim Grey, Seán Duggan, Katrin Eismann

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Essential Filters

Although for some people programs such as Adobe Photoshop have reduced the need for filters (say farewell to the trusty old starburst filter!), there are still some filters that we regard as being essential items in a well-stocked camera bag. Others that we'll mention here may not be totally essential, but they help modify the light in specific ways and let you create images that would be difficult or impossible without them. Not all digital cameras can accept filters and some can only use proprietary filters designed by the manufacturer. To accept standard screw-on filters, the front of the lens will have to have a threaded ring. If your lens has this feature, then there should be a number indicating the size of the filter ...

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