[情報] LensRentals給予FE 50 f/1.4 ZA超高評價
看都沒人po來貼一下 https://goo.gl/8YYgwB
重點摘要
MTF: 中央解析度是這個焦段史上最佳
1. 從MTF來看中央解析度勝過Zeiss 55 f/1.4 Otus
往邊緣解析度降低,但在edge又有提升,總體來說
非中央的話和Otus不會差太多
(作者有說中間忽然降低的那個區域可能跟實驗中所
使用的sensor cover glass造成的誤差有關,但我
背景知識不足無法說明,這部分就請高手補充)
2. 跟 FE 55 f/1.8 比較的話,50 f/1.4光圈大半個stop
但中央解析度仍較佳,往邊緣走也不輸
3. 跟Sigma 50 f/1.4 Art比的話,Sony 50 f/1.4 ZA的
MTF仍然較佳
4. 跟Nikon 50 f/1.4不是同一個等級
Optical field: 這裡我不太懂,希望高手補充。
Sample variation: 控制得不錯,比55 f/1.8ZA小很多,
和Sigma 50 Art差不多
沒有看得很仔細,如果有錯請見諒。然後關於optical field
以及sensor cover glass的部分希望有高手能補充
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