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发帖数: 25662 | 1 ☆─────────────────────────────────────☆
daye520 (打入老鼠会中层) 于 (Sun May 23 16:03:15 2010, 美东) 提到:
丐友们可以参考一下。
18mm
K18/3.5 is an excellent rectilinear lens; it is quite large and bulky though
. It's correction of spherical and coma aberrations seems far better than
that of A20/2.8, and it is surprisingly sharp edge to edge. Its coma wings
are also smaller than those of K24/2.8, K28/2, or K30/2.8. Yoshihiko
Takinami also notes that the corner resolution of K18/3.5 is higher than
that of A20/2.8, |
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