回複：If you want pure white background, then you need

來源: jassco 於 2012-02-17 17:57:33 [檔案] [舊帖] [給我悄悄話] 閱讀數 : (287 bytes)

本帖於 2012-02-17 19:44:06 時間, 由普通用戶攝壇版主編輯

回答: Michelle 一周歲照（兼Strobist技術討論) 由江北快炒於 2012-02-17 08:30:32

distance between your subject and the backdrop. As long as you have 6 feet distance,you can speedlite to power your backdrop behind the subject.

Not sure why you want to dress the subject with white dress if your backdrop is white.

Best regards,

Alex

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