" Optical transfer function " represents the rate of contrast reduction and phase shift (image shift) at a certain spatial frequency (the number of black and white pattern lines per millimeter on the image plane) when a sine wave chart with density that changes continuously from white to black is imaged through a lens. Response function. Source: About Shogakukan Digital Daijisen Information | Legend |
《optical transfer function》白から黒へ連続して濃度が変わる正弦波チャートをレンズで結像した場合の、ある空間周波数(像面上で1ミリ当たりの白黒パターンの本数)におけるコントラストの減少率と位相ずれ(像のずれ)を表す。レスポンス関数。
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