略語大辞典 [Opt] 47 SQF subjective quality factor エスキューエフ. 主要品質要素. 双眼鏡などのシャープさを表現するためにもちいる数字.subjective quality factor; a method of relating MTF(modulation transfer function) to the perception with sharpness in design of visual imaging systems; used to quantify the sharpness of a visual system such a 丸善「略語大辞典」JLogosID : 11860229