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Ground Glass Help for Super 35 to HD


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#1 tim piper

tim piper

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Posted 27 April 2010 - 08:30 PM

Thanks for reading...

I need a new ground glass for a Super 35mm Arri BL4 with a 3 perf movement finishing on HD. I've been getting somewhat conflicting dimensions and was hoping someone could help.

I was told that in order to shoot 1:1.78 (HDTV) on an Arri camera the dimensions on the ground glass should be .4980 by .8858 (which I believe is HDTV safe).

However, I was told for 3 perf Super it should be .511 by .910

Does anyone have any suggestions. Again here are the specs.

Arriflex BL4 3 Perf movement and Super 35 centered.

Also, as a side note, if I wanted to see the 2.35/2.40 aspect for letterboxing in HD what would the dimensions be?

Thanks.
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Opal