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 9\)NFZ3Mz
X and Y F-numbers for each field angle Kw'Dzz%kN
X 1.992151 2.046117 2.172037 2.364546 n#3y2,Ml
Y 1.992151 2.338546 3.121385 4.866429 s)=L6t^a6
0 .999 .999 .999 v%3)wD
10 .986 .986 .984 :kZ2N67
20 .971 .971 .963 kSNVI-Wzu
30 .957 .957 .939 ?l,i(I
40 .942 .943 .913 @6*<Xs
=
50 .928 .929 .883 iy
tSC
60 .914 .914 .853 ]CC=
\ <
70 .899 .900 .821 hl~(&D1^
80 .885 .886 .789 9r1pdG_C@
BHj]w*Ov
第二列为理想的MTF值,最后一列为实际值,