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 %77v'Pz1
X and Y F-numbers for each field angle bj=kqO;*O
X 1.992151 2.046117 2.172037 2.364546 Bq3" l%hI
Y 1.992151 2.338546 3.121385 4.866429 6w|s1!Bl
0 .999 .999 .999 ZF!cXo7d
10 .986 .986 .984 #(=8
RA:@
20 .971 .971 .963 DD{-xCCR
30 .957 .957 .939 P>j^w#$n
40 .942 .943 .913 2+m%f"
50 .928 .929 .883 9`4M o+
60 .914 .914 .853 ^{lcj
70 .899 .900 .821 3copJS
80 .885 .886 .789 o'O;69D]tX
?S9? ?y/
第二列为理想的MTF值,最后一列为实际值,