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Andy Finney @delverie.bsky.social

If you filmed upside down on 16mm, it played in reverse when you showed it the right way up. (Only works with double sprockets.)

sep 15, 2025, 11:53 am • 0 0

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Andy AVAV Systems @avavsystems.bsky.social

I thought all 16mm was single sprockets. As it was 35mm cut in half.

sep 15, 2025, 11:59 am • 0 0 • view
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Andy Finney @delverie.bsky.social

That’s 17.5 mm … which I only realised was a thing recently. Standard 8mm is split 16mm and has only one set of sprockets. My old Bolex shoots half a spool which you then reverse and it shoots the other half

sep 15, 2025, 12:02 pm • 0 0 • view
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Andy AVAV Systems @avavsystems.bsky.social

See, old age. The grey matter is failing

sep 15, 2025, 12:19 pm • 0 0 • view
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Andy Finney @delverie.bsky.social

As has the Bolex ☹️

sep 15, 2025, 12:20 pm • 0 0 • view
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Andy Finney @delverie.bsky.social

I think com-opt and com-mag 16mm might have been single sprocket.

sep 15, 2025, 12:02 pm • 0 0 • view