April 2013
Beginner
224 pages
7h 22m
English
Content preview from Basic Betacam Camerawork, 3rd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Lens controls
The three main operational controls on the lens are focus, zoom and the lens aperture (f-number).
Focus: Sharp focus of the image is achieved by looking at the viewfinder image and either manually adjusting the focusing ring on the lens or by connecting a cable to the lens and controlling the focus by servo control mounted on a pan bar. Usually there is a switch on the zoom rocker module marked M (for manual control) and S (for servo control).
As we have discussed on page 39, the zoom must be pre-focused on its narrowest angle before recording a zoom into a subject, and the back focus of the lens must be correctly aligned (see page 43) for the sharpest focus to be maintained throughout the zoom.
If the required object in frame is ...
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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.Julian F.
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.Addison B.
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.Amir M.
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.