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Cooke Speed Panchro 25mm S3 (TLS Rehouse) on 35mm film camera - flange focal distance issue?


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Unfortunately I don't have the means to test/measure this myself (and I didn't find any info online), so posting here instead:

I'm wondering if the protruding end of a Cooke Speed Panchro 25mm S3 (rehoused by TLS) might hit the mirror of a Moviecam SL? Since the TLS rehoused Cookes are in high demand and workhouses (and Cookes being used on 35mm cameras for ages), I can't imagine that this would be an issue.. However, I wanted to confirm this.

Thanks for your time and help!

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It should be fine Alexander.

As you say, Speed Panchros have been used on reflex cameras for many years, and there’s no reason a re-housing would place the rear element any closer to the film plane than it should be at infinity. You can always mount the lens (set to infinity) and do a dust check to rotate the mirror to make sure nothing is interfering. 

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