Rightly or wrongly, manufacturers of broadcast studio cameras and lenses decided long ago to radically simplify published specifications. This has probably saved the sanity of many a chief engineer ...

Many vision-system designers understand basic image-distortion effects and how to correct them, but they may need to account for the modulation transfer function (MTF) of a lens, too. The MTF ...

Pairing an HDTV lens to an SDTV camera will enhance the performance of that imaging system. Click here to see an enlarged diagram. In the previous paper, “HDTV Lenses, MTF and Picture ...

Ronkonkoma, N.Y. — Sigma of America said Monday that it is releasing a Geometrical Modulation Transfer Function (MTF) chart and a Diffraction MTF chart for use in measuring the performance of all of ...