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 N/)mw/?i
X and Y F-numbers for each field angle Vzy]N6QT{
X 1.992151 2.046117 2.172037 2.364546 :QgC Zq
Y 1.992151 2.338546 3.121385 4.866429 3{_A zL
0 .999 .999 .999 JV'd!5P
10 .986 .986 .984 1"46OCu{
20 .971 .971 .963 &_FNDJ>MCk
30 .957 .957 .939 bb;fV
40 .942 .943 .913 PJj{5,#@3
50 .928 .929 .883 ^B@4 w\t
60 .914 .914 .853 xVoWGz7
70 .899 .900 .821 b~06-dk1
80 .885 .886 .789 iU^ 4a
-Nmf}`_
第二列为理想的MTF值,最后一列为实际值,