The Making of an HDTV Lens - PBS
The Making of an HDTV Lens - PBS
The Making of an HDTV Lens - PBS
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Relative MTF <strong>of</strong> 2/3-Inch <strong>an</strong>d 1/2-inch <strong>an</strong>d 1/3-inch <strong>Lens</strong><br />
To Produce Equal <strong>HDTV</strong> Sharpness<br />
100<br />
MTF<br />
%<br />
2/3-inch<br />
(Reference) 1/2-inch<br />
1/3-inch<br />
20 40 60 80 100 120 140 160 180LP/mm<br />
Line-Pairs per<br />
Millimeter<br />
<strong>The</strong> smaller image formats<br />
must have progressively higher optical perform<strong>an</strong>ce
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