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Results tagged with Search options user 9632

For questions pertaining to photographic filters, which are usually glass or plastic accessories that are either screwed onto the lens or otherwise added in the optical path. Use "effect" or "post-processing" for software-based "digital filters".

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I would like to know if, when darkening (or blackening) a piece of glass with a candle: the filter thus made is "neutral"? if it catches UVs or IRs? there is anything else I am missing?
asked Jul 2 '12 by Skippy Fastol