supagi |
2007-01-13 12:03 |
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 zCrcCr X and Y F-numbers for each field angle J^:~#`8 X 1.992151 2.046117 2.172037 2.364546 c'2ra/?k Y 1.992151 2.338546 3.121385 4.866429 v,0D GR~ 0 .999 .999 .999 #7=LI\ 10 .986 .986 .984 je-s%kNlJ 20 .971 .971 .963 >=H8>X 30 .957 .957 .939 A3_9MO
40 .942 .943 .913 ^=G+]$ 8 50 .928 .929 .883 RHbwq] 60 .914 .914 .853 F!{SeH: 70 .899 .900 .821 [78
.%b' 80 .885 .886 .789 wNZ7(W.U U:r2hqegd 第二列为理想的MTF值,最后一列为实际值,
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