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 q'fOlq
X and Y F-numbers for each field angle i=5!taxu}E
X 1.992151 2.046117 2.172037 2.364546 A46dtFD{
Y 1.992151 2.338546 3.121385 4.866429 g3s5ra[
0 .999 .999 .999 Q?hf2iw
10 .986 .986 .984 bv41et+Kb
20 .971 .971 .963 =H: N!!:
30 .957 .957 .939 k
%{q
q v
40 .942 .943 .913 nVlZ_72d
50 .928 .929 .883 ,aWI&ve6
60 .914 .914 .853 &n]v
70 .899 .900 .821 K}q5,P(
80 .885 .886 .789 <=!t!_
GRpwEfG
第二列为理想的MTF值,最后一列为实际值,