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 *+_fP |cv
X and Y F-numbers for each field angle s!8J.hD'I
X 1.992151 2.046117 2.172037 2.364546 Co{MIuL
Y 1.992151 2.338546 3.121385 4.866429 >
gA %MT
0 .999 .999 .999 -o=P85V
10 .986 .986 .984 g=8|z#S
20 .971 .971 .963 eONeWY9
30 .957 .957 .939 "1gk-
40 .942 .943 .913 ;o~+2Fir
50 .928 .929 .883 ,kGw;8X
60 .914 .914 .853 .N2nJ/
70 .899 .900 .821 pq/FLYiv
80 .885 .886 .789 1C5kS[!
mh!N^[=n
第二列为理想的MTF值,最后一列为实际值,