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 4<[?qd3v=
X and Y F-numbers for each field angle s*GZOz
X 1.992151 2.046117 2.172037 2.364546 ]~;*9`:
Y 1.992151 2.338546 3.121385 4.866429 =G}a%)?As\
0 .999 .999 .999 30HUY?'K
10 .986 .986 .984 [R4#bl
20 .971 .971 .963 C@Wzg
30 .957 .957 .939 >n,_Aj
c
40 .942 .943 .913 PzPNvV/o
50 .928 .929 .883 br=e+]C Y)
60 .914 .914 .853 i6paNHi*
70 .899 .900 .821 dSwfea_
80 .885 .886 .789 04U|Frc
<pk*z9
第二列为理想的MTF值,最后一列为实际值,