"real " cameras in xsi 2005-06-15 - By Dan Yargici
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Hi Bruce, that's great stuff, thanks.
DAN
Bruce MacDougall wrote:
>The most comprehensive table of Aperture and Finder Marking sizes I have yet
>encountered is in "David Samuelson's 'Hands-On' Manual for
>Cinematographers".
>http://tinyurl.com/dlbe9
>I have an old, weathered, marked-up photocopy close at hand at all times,
>but it lists film formats only.
>For video sensors, here are some standard widths (you can compute height
>from aspect ratio):
>1/3" Video (4:3) 4.8mm
>1/2" Video (4:3) 6.4mm
>2/3" Video (4:3) 8.8mm
>2/3" HD Video (16:9) 9.59mm
>
>I got these off the back of a Canon Lens Focus Chart.
>
>Also keep in mind that frames produced by a "proper" film scanner, for film
>work, are most likely full-aperture (is the image 2048x1556? can you see
>slight imperfections around the edges and/or radii in the corners?),
>while images produced by a telecine for broadcast work could very likely be
>digitally "zoomed", which would throw your aperture size out the window.
>
>Further clouding of the issues involved in manual camera tracking can be
>found here:
>http://tinyurl.com/a9gkd
>
>Cheers,
>
>Bruce MacDougall
>Northwest Imaging & FX
>
>-- -- Original Message -- --
>From: "Dan Yargici"
>Sent: Sunday, June 12, 2005 7:48 AM
>Subject: Re: "real" cameras in xsi
>
>
>
>
>>Is there a table of different film back sizes? I have to admit to not
>>fully understanding this... the film back size is the measurement of a
>>physical piece of the camera or digital camera's sensor yes? So
>>presumably this is the hard thing to establish? I mean, anyone can find
>>out the lens used on a shot, but where does one learn the film back size
>>of an Arri Flex 435 Xtreme? Have I completely got the wrong end of the
>>stick here?
>>
>>Cheers,
>>
>>DAN
>>
>>
>>
>>
>
>
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