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Is single Perf the same is Super 16?


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#1 Nick Centera

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Posted 01 November 2008 - 03:51 PM

Hey, I was wondering if single perf film is the same as super 16 film. And if double perf film is the same as regular 16. Thanks
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#2 Adrian Sierkowski

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Posted 01 November 2008 - 03:58 PM

Yes and No. Super 16 must be recorded onto single perf film, but super-16mm is a specially build camera which has a super16mm sized gate. Simply running 1R film through a 16mm bolex, won't make it super 16... you must have had a conversion done.
2R film; a rare sight, is only 16mm because recoding s16mm onto it would mean recording the image onto one side of the perfs. It is most typically used in high-speed camera systems.
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#3 Nick Centera

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Posted 01 November 2008 - 07:08 PM

So on a regular 16 camera, you would most likely use single perf? Would that only expose part of the film cause the gate is not made for that big of an aspect ratio? Also, what about the cogs (not sure the actual name) that grab the film, those would have the double sides too.
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#4 Adrian Sierkowski

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Posted 01 November 2008 - 07:16 PM

It depends on the camera; most cameras are 1R set; but that doesn't mean the gate has been widened to S16mm. Some cameras also can't be modified for S16mm. The Most common S16mm cameras, in my opinion, are the Aaton and Arri cameras such as the LTR, XTR, XTera, SR1/2/3 and 416. Many Eclairs have also been modified as have some Bolex, K3s.
This will explain which cameras are which

http://www.motion.ko...ation/index.htm
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#5 Brian Pritchard

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Posted 03 November 2008 - 09:20 AM

Hey, I was wondering if single perf film is the same as super 16 film. And if double perf film is the same as regular 16. Thanks

When 16mm was first introduced all filmstock was double perforated. It wasn't until 16mm sound was wanted that one set of prefs were removed to make way for the sound track. In 35mm the sound track occupies part of the picture area between the perfs, this would have meant an unacceptable reduction in picture area if the same method was used for 16mm, so to preserve picture size, the second set of perfs was removed. For many years both single and double perf camera originals were used and mixed. There were only a few 16mm cameras that had double perf sprockets and could only use double perf film.

When 16mm film is printed, only a single set of perfs is used; double perf film can be printed onto single perf print stock and the sound track printed in the area where the second set of perfs would have been. Cutting copies are usually printed onto double perforated print stock to make it easier to run through a Steenbeck witout worrying which side the perfs are on.

When most 16mm film was used for television via a telecine and an optical sound track was not required, Super 16mm was invented to give a larger picture area using the sound track area for picture. Often Super 16mm was used for blow-up to 35mm so the fact that you could not have a combined sound print from a Super 16mm original without cropping the picture, did not cause too much of a problem.

Brian
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