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film 16mm vs lens for 35mm


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#1 firdaus

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Posted 22 November 2008 - 12:56 AM

my question :
if i shot film 16mm or sony hdcam with lens for 35mm (eg.50mm) do i have the same FOV than film 35mm with 35 lens ??
anyone can help me explaine and the formula to calculate about this..thanks

best regards
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#2 Chris Keth

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Posted 22 November 2008 - 02:49 AM

Good evening, firdaus. First off, please change your display name to your full first and last name as per the forum rules.

The field of view shown with a given focal length will change depending on format. For example a 35mm lens on spherical 35mm will have a horizontal angle of view of 33.4º. Put that same lens on Super 16mm and you get an angle of view of 19.1º. Furthermore, put that exact same lens on a 2/3" inch video camera and you have an angle of view of 15.6º.

Each format is just using a different part of the cone of light projected by the lens.

I calculated these numbers with Panavision's Image Calculator. There are also tables with this information in the ASC Manual.

Edited by Chris Keth, 22 November 2008 - 02:51 AM.

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#3 firdaus

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Posted 24 November 2008 - 10:37 PM

Good evening, firdaus. First off, please change your display name to your full first and last name as per the forum rules.

The field of view shown with a given focal length will change depending on format. For example a 35mm lens on spherical 35mm will have a horizontal angle of view of 33.4º. Put that same lens on Super 16mm and you get an angle of view of 19.1º. Furthermore, put that exact same lens on a 2/3" inch video camera and you have an angle of view of 15.6º.

Each format is just using a different part of the cone of light projected by the lens.

I calculated these numbers with Panavision's Image Calculator. There are also tables with this information in the ASC Manual.



thank you very much chris, now i can use the panavision calculator..thank's

firdaus
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