一開始,Roger Cicala懷疑是Canon新鍍膜的製程出現問題,但鍍膜瑕疵不可能只集中在鏡片中央,於是把罪魁禍首指向裝在鏡頭前方的濾鏡。範例照片中這顆Canon EF 24-70mm F2.8L II USM,在鏡片邊緣部分已有一兩道刮傷,而且很明顯與中央刮痕看起來不太相同,因為該鏡頭已預定送原廠維修,攝影師索性就拿來實際進行試驗,以找出鏡頭中央刮痕的元凶。
This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers. Five Filters recommends: