105mm? Hmm unless you are really into micro photography

来源: 于 2009-10-13 14:43:24 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次
a close-up lens should suffice:

http://www.bhphotovideo.com/c/product/10183-REG/B_W_65076665_77mm_Close_up_NL_5.html

The 24-70 has a minimum focusing distance of just 38cm. This one or a +3 should get you the result you want.