在MTF文本中可以以看到,但不知道怎么提取出来 %]4Tff
FIELD (X,Y)=( 0.00, 0.61)MAX, ( 0.00, 65.00)DEG <gF]9%2E
RELATIVE ILLUMINATION = 45.0 PER CENT 1p}H,\o
ILLUMINATION (UNIT BRIGHTNESS) = 0.022769 M@cFcykK
DISTORTION = -16.31 PER CENT .^wpfS
RELATIVE ILLUMINATION = 45.0 PER CENT 850.0 NM 1 1180 `9^tuR,
ILLUMINATION (UNIT BRIGHTNESS) = 0.022769 830.0 NM 1 1236 CVfV
DISTORTION = -16.31 PER CENT