From the course: Photography Foundations: Specialty Lenses

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What filters are for

What filters are for - Photoshop Tutorial

From the course: Photography Foundations: Specialty Lenses

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What filters are for

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These days, when you say the word filter to a photographer, they probably assume you're thinking about an effects plug-in in an image editing application, Photoshop, Lightroom, Aperture, and some other editors all support the addition of little bits of extra image processing code that can be used to filter your image to create a huge assortment of effects. Before Photoshop though, if you said filter to a photographer, they assumed that you were talking about a piece of glass that screwed on to the end of a lens, and that's what we're going to be talking about in this chapter. A camera lens, of course, is not a single piece of glass. It's a complex array of optical elements, and a Lens Filter is just one more optical element, one that you screw on to the threads on the front of a lens. A filter does just what its name implies, it filters light to create a particular effect. Now, hopefully, you already have experience with at least one type of filter, the UV or Skylight filters that…

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