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 kP^=
X and Y F-numbers for each field angle hrXk 7}9
X 1.992151 2.046117 2.172037 2.364546 ep*8*GmP
Y 1.992151 2.338546 3.121385 4.866429 {M\n
0 .999 .999 .999 k/BlkjlNE
10 .986 .986 .984 H!l9a
20 .971 .971 .963 : JSuC
30 .957 .957 .939 k[f_7lJ2
40 .942 .943 .913 XK)0Mt\
50 .928 .929 .883 Pa$"c?QUy
60 .914 .914 .853 g8"H{u
70 .899 .900 .821
*D1vla8
80 .885 .886 .789 Z.s0ddMs
=j{Kxnv
第二列为理想的MTF值,最后一列为实际值,