https://en.formulasearchengine.com/w/index.php?action=history&feed=atom&title=Optical_formatOptical format - Revision history2026-08-06T11:10:22ZRevision history for this page on the wikiMediaWiki 1.47.0-wmf.7https://en.formulasearchengine.com/w/index.php?title=Optical_format&diff=261726&oldid=preven>Bubba73: I don't think this is accurate - it goes back to early TV (see the reference) - long before the four thirds system2014-11-22T04:20:17Z<p>I don't think this is accurate - it goes back to early TV (see the reference) - long before the four thirds system</p>
<a href="https://en.formulasearchengine.com/w/index.php?title=Optical_format&diff=261726&oldid=22728">Show changes</a>en>Bubba73https://en.formulasearchengine.com/w/index.php?title=Optical_format&diff=22728&oldid=prev86.147.237.233: Deleted dead link. First citation covers the point anyway.2012-03-10T16:53:49Z<p>Deleted dead link. First citation covers the point anyway.</p>
<a href="https://en.formulasearchengine.com/w/index.php?title=Optical_format&diff=22728">Show changes</a>86.147.237.233