小弟用
CODEV設(shè)計(jì)了一個(gè)開(kāi)普勒
望遠(yuǎn)鏡。
目鏡用的是對(duì)稱(chēng)式，
物鏡用了一個(gè)雙膠合，視覺(jué)放大率為12。
##V5-ZG{: 在目鏡和物鏡分別
優(yōu)化之后，將二者組合在一起時(shí)發(fā)現(xiàn)Quick 2D能正常顯示，但是
MTF圖線無(wú)法顯示，有報(bào)錯(cuò)，如下：
:9_L6 Warning: At least 3 focal positions are recommended for finding best focus
Tp_L% F Warning: This system is not isoplanatic at field(s) 1, 2, 3, 4.
9=V:&.L Any MTF results are of questionable value for assessing
Ffv`kn@ the image quality, except in those cases where the user is
6^"=dn6K interested only in the image of a point-like object. The
|<.lW image quality for the unacceptable fields varies significan-
q "<ac
