本人觉得,由于畸变的存在,使得不同视场具有不同的焦距,其必然引起不同的F数 =bja\r{
X and Y F-numbers for each field angle k7rg:P
X 1.992151 2.046117 2.172037 2.364546 =y@0il+V
Y 1.992151 2.338546 3.121385 4.866429 9O-~Ws ;
0 .999 .999 .999 HyWR&0J
10 .986 .986 .984 #k)z5vZ$h
20 .971 .971 .963 1Dc6v57
30 .957 .957 .939 w.aEc}@(^
40 .942 .943 .913 ;b=diZE
50 .928 .929 .883 tbR
60 .914 .914 .853 ;Wy03}K4J
70 .899 .900 .821 t7u*j-YE
80 .885 .886 .789 7?uDh'utt
PDw+Q
第二列为理想的MTF值,最后一列为实际值,