Both the EII and the SE look a bIt'sharper than the E in the center.
EII 和SE的锐度都比E成像中心的要好.
互联网
Out of curiousity I tried the left side of the EII with the stop down.
大部分,但不是所有的散光被消除了.
There is surprisingly little pincushion distortion in the EII considering the field width.
这几乎和FL一样,比E要 好一点.
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