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 $o z
ZFvJF
X and Y F-numbers for each field angle (msJ:SG
X 1.992151 2.046117 2.172037 2.364546 @NZ?D0"
Y 1.992151 2.338546 3.121385 4.866429 qdh D6#r
0 .999 .999 .999 "cZ.86gG`:
10 .986 .986 .984 Q6E80>
20 .971 .971 .963 9j/B3CjW
30 .957 .957 .939 ul
E\>5O4h
40 .942 .943 .913 :HC{6W`$
50 .928 .929 .883 LdcP0G\"VG
60 .914 .914 .853 a[!':-R`s
70 .899 .900 .821 b1+Nm
80 .885 .886 .789 LF8B5<[O
Y (Q8P{@(
第二列为理想的MTF值,最后一列为实际值,