本人覺得,由于畸變的存在,使得不同視場(chǎng)具有不同的焦距,其必然引起不同的F數(shù) 1e\cJ{B
X and Y F-numbers for each field angle %Za}q]?
X 1.992151 2.046117 2.172037 2.364546 [60y.qE
Y 1.992151 2.338546 3.121385 4.866429 :uYZ1O
0 .999 .999 .999 |ts0j/A]Pi
10 .986 .986 .984 ltOS()[X
20 .971 .971 .963 7"|Qmyb
30 .957 .957 .939 6zM:p/
40 .942 .943 .913 EUSM4djL
50 .928 .929 .883 j+3\I>
60 .914 .914 .853 F,vkk{Z>
70 .899 .900 .821 X!h>13fW
80 .885 .886 .789 RrxbsG1HP
]Q FI>
第二列為理想的MTF值,最后一列為實(shí)際值,