ivan15

引用:

Originally posted by cracker at 2010-4-11 12:43:
tested @ ISO 100
@F1.8 PQ差到無朋友

[ Last edited by cracker on 2010-4-11 at 12:45 ]

如果一支$6XX 鏡全開光圈勁SHARP 的話~
咁冇人要花多幾倍價錢買大半級光圈的鏡頭了~

ivan15

引用:

Originally posted by 河本鬼茂 at 2010-4-11 22:09:


光圈全開當然唔會sharp，呢支鏡好似起碼要收細兩三級先開始sharp d。

其實F/2.8 打後已經開始可以接受
"可以接受" 是指拍得住一般變焦鏡的質素

如果要勁SHARP, 的確要去到F/4左右~