用Code V 內建的函數 MTF_1FLD 即可。 [`eqma
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MTF_1FLD computes the MTF of the lens system including or excluding diffraction effects, assuming either a sine wave or a square wave object, similar to the MTF option. The syntax is: #kt3l59Ty
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MTF_1FLD(zoom_pos, field_pos, frequency, azimuth, nrd, output_array, dif_or_geo, sin_or_sqw) /QeJ#EHn