October 2012
Beginner
421 pages
14h 7m
English
Content preview from The Camera Assistant
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.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.
CHAPTER 8
Filters
Sizes and Shapes of Filters
Filters come in several shapes, and in several sizes in each shape. Round filters may be attached to the matte box, to the lens itself using filter rings and sunshades for use without using a matte box, and smaller sizes may be used at the rear of lenses, or even inside certain lenses in special filter holders. Common sizes for round filters for the front of the lenses are Series 8, Series 8 1/2, Series 9, 4 1/2”, 138mm, and 6” round. At the rear, or inside the lenses, sizes like Series 5, Series 6,40.5mm, 47mm, 49mm, 52mm are used.
Square and rectangular filters are made to be used in a matte box, which attaches in most cases to the same rods that support the lenses. Typical square sizes include ...
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