October 1996
Intermediate to advanced
300 pages
6h 44m
English
Content preview from Panaflex User's Manual, 2nd 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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Focusing PANAVISION Lenses
Every PANAVISION lens is calibrated individually to achieve optimum optical performance. Lenses are calibrated against a standard flange focal depth of 2.2500in, 57.15mm, at an aperture of T2.8 (or at the minimum stop above T2.8) and an index mark is engraved on the lens to indicate the best possible image at that aperture. Lenses are calibrated at all marked focus distances.
Lenses are then further calibrated at maximum aperture and any difference from the T2.8 setting is noted. If there is a significant difference between the position of the T2.8 and the full aperture mark a second (shorter) mark is engraved and this is colored blue. The apertures to which it refers are also colored blue.
This extensive calibration ...
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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.