faqs: Camera lens mounts, register/flange depth, adapter specs, lens conversions etc

Cine / stills Mount Flange focal distance Port Diameter introd'd RMS mount (RMS = Royal Microscopic Screw). some lenses use this as an intermediary thread (0.800"-36tpi). n/a 8mm, IC=ø5.94mm 0.298" S-mount, CCTV/webcam mount, M12x0.5mm pitch

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