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 7yD=~l\Bbs
X and Y F-numbers for each field angle rZ2X$FO@
X 1.992151 2.046117 2.172037 2.364546 lT#&\JQ
Y 1.992151 2.338546 3.121385 4.866429 \
T/i]z
0 .999 .999 .999 WSi`)@.XO
10 .986 .986 .984 SNV~;@(h
20 .971 .971 .963 ( NWT/yBx
30 .957 .957 .939 ^e:C{]S=
40 .942 .943 .913 C,~wmS )@
50 .928 .929 .883 R''nZ/R
60 .914 .914 .853 y=g9 wO
70 .899 .900 .821 u.sF/T=6f
80 .885 .886 .789 {a^A-Xh[u
"RMBV}<T
第二列为理想的MTF值,最后一列为实际值,