Focal Length Chart

Is there a chart that compares relative focal lengths between 35mm, 16mm, 2/3" video, 1/3" video, and 1/4" video. Doing scouts and research and planning in one format for production in another necessitates this. The directors viewfinder goes to 2/3", and 1/2", but now that there's DV

Seems like someone has done this at some point.

Harry Dawson
DP Portland

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Here's a comparison chart of Canon's website for 35, 16 and 2/3" video :

http://www.usa.canon.com/html/industrial_bctv/hdec.html

Joe Farris
DP Chicago
www.visionsoflightinc.com

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Joe wrote of this Canon comparison chart at the site :

http://www.usa.canon.com/html/industrial_bctv/hdec.html

WOW! Nice chart!

Print it out.

I would really like to have this lens in my kit :

HD: 4.7-52mm = 35mm: 11.6-129 = 16mm: 6.2-69mm

Nice range!

Cheers,
Jeff Barklage, s.o.c.
US based DP
www.barklage.com

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Harry Dawson wrote :

>Is there a chart that compares relative focal lengths between 35mm, >16mm, 2/3" video, 1/3" video, and 1/4" video.

There is an infinitely useful wealth of knowledge on the Panavision New Zealand website (www.panavision.co.nz). The heading "knowledgebase" has tons of useful stuff.

The focal length calculator that is precisely what you'd want is under "TABLE OF EQUIVALENT FOCAL LENS AND AOV". There's also a great DOF calculator that can be set for any format that I've used to make HD and MiniDV focus charts.

Will "Yes it WAS anal of me to make MiniDV charts" Beckley
Cinematography Senior
Northwestern University

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Harry Dawson asked :

>Is there a chart that compares relative focal lengths between 35mm, >16mm, 2/3" video, 1/3" video, and 1/4" video

http://www.in.mybox.com/light3.htm

Some other handy stuff there too

Rory Moles
1st AC London

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With apologies to Geoff ...

Dare I say it, but you will find a complete nomogram covering all these formats, and angles of view, and picture widths/heights and subject distances on the back of the Samcine Mk. III calculator ... and depths of field for both fixed focal length and zoom lenses for 1/500, 1/1000 and 1/2000" Cs of C, and much more ...

Sincerely

David Samuelson

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For Convenience...see the following link...

http://www.optexint.co.uk/sales/misc/dsamkiii.htm

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