From: Bill Brand (email suppressed)
Date: Fri May 26 2006 - 11:45:15 PDT
Adrian,
When I have done this (by mistake) it does
produce something that looks like a good splice
but in my experience it so weakens the film on
either side of the splice that it rips very
easily. On 35mm perhaps it will hold up for a
while longer but over time it will break.
Ultrasonic splicers are not recommended for
acetate base film.
Bill
>Mr. Brand,
>
>This film was shot on 5279 and printed on 5360,
>both according to the Kodak website are acetate
>based. Perhaps the guys in the microfilm lab
>were mistaken in telling me I was using a sonic
>splicer. This machine leaves a tiny (but very
>visable) splice with narrow ridges running from
>sprocket to sprocket (yes, the
>frameline lining-up is tricky). When I make the
>splice, a tiny metal drum rolls over the cut.
>Does this sound like a sonic splicer? If so,
>how am I making what seem to me (and others)
>like solid splices?
>
>Best,
>Adrian
>
>
>
>Bill Brand <email suppressed> wrote:
>
>No. This is not correct. You cannot splice acetate film with an
>ultrasonic splicer. An Ultrasonic splicer works by melting the
>polyester base (right through the emulsion - no scraping necessary!)
>but it simply does not work with acetate. For polyester film, its a
>nice devise and makes archival strength splices but they are more
>visible than one made by a conventional cement splicer. You cannot
>use an ultrasonic splicer for A&B roll editing. The splice overlaps
>two frames and does not line up with the frameline.
>
>Bill
>
>>I think it should be fine. It's more the other way
>>round that polyester based film can't be spliced by
>>conventional means and needs an ultrasonic splicer.
>>
>>--- Adrian Tagmenveca wrote:
>>
>>> If anyone cares to know, I tried the sonic splicer
>>> out on some acetate based film and it worked like a
>>> charm. Perhaps there are consequences I'm not aware
>>> of (archival, probably) - but it seems like it works
>>> just fine.
>>>
>>> A.T.
>>>
>>>
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>>
>>
>>
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>
>
>--
>Bill Brand
>108 Franklin Street #4W
>New York, NY 10013
>(212) 966-6253
>http://www.bboptics.com
>
>
>__________________________________________________________________
>For info on FrameWorks, contact Pip Chodorov at .
>
>
>
>
>Richlands, VA.
>
>
>
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>For info on FrameWorks, contact Pip Chodorov at
><email suppressed>.
-- Bill Brand 108 Franklin Street #4W New York, NY 10013 (212) 966-6253 http://www.bboptics.com __________________________________________________________________ For info on FrameWorks, contact Pip Chodorov at <email suppressed>.