November 2020
Intermediate to advanced
624 pages
17h 20m
English
Content preview from Digital SLR Photography All-in-One For Dummies, 4th Edition
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Chapter 5
Using Filters
IN THIS CHAPTER
Finding out about filters
Deciding on a filter system
Browsing filter types
Digital photographers have access to more advanced computer technology than ever before. That’s a great thing. It has opened up creative options that everyone can use. Filters, however, are physical things. They’re real. You can hold them in your hand. They clink musically and take up space in your camera bag. When light passes through them, something physical — not modeled, simulated, or programmed — happens to the light. I don't know about you, but that fascinates me. I want to know more.
Learning about Filters
Standing in front of a large filter display in a camera shop or going online and browsing can be highly intimidating. Questions course through your gray matter. What are these gizmos? How do they work? Should I bother? Which ones are best for me?
Looking at how filters work
Filters (sometimes called optical or physical filters) work by literally getting in the way. You stick filters on the front of or in your lens (see Figure 5-1) so that light from the outside world has to pass through on its way to the camera's image sensor — simple stuff. As light passes ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.