Anyway, good advices. Thank you all.
haha, i even need to burn much more money.
所有跟帖:
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choose 428 or 540, not both unless you really want to burn money
-石头城-
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08/20/2011 postreply
21:03:48
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非常有意思的讨论。。。旁听
-天地行-
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08/20/2011 postreply
22:20:09
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428 + TC-14 = 560mm F4
-Big_Benz-
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08/21/2011 postreply
08:31:27
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Thanks. How about sharpness for 428 + TC20 ?
-JZUO-
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08/21/2011 postreply
08:42:55