On 29 mei 2012, at 09:37, Diogo Girondi wrote:

But every time I had to match move things shot with the ALEXA, using the camera sensor size and the actual lens value was enough to get me there.

Hate to sound like a broken record but what helps the most with this kind of problem is registering an object of known dimensions (like a flight case) full-frame with all of your lenses that are used in a production. This will give you a much better field-of-view estimation than trying to compute it with the film back and focal length. There is always something (some cropping, or a non- standard lens mount, or other shenanigans) that throw these estimates off.

--
Julik Tarkhanov | HecticElectric | Keizersgracht 736 1017 EX
Amsterdam | The Netherlands | tel. +31 20 330 8250
cel. +31 61 145 06 36 | http://hecticelectric.nl





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