本帖最后由 jack_li 于 2013-10-22 15:33 编辑 " Y I/ |4 I% F3 T7 T , [/ \# f0 ?% K) t9 TI mean to be more sharp, but it was not a sunny day. so kind of high ISO, and also light up room the light room. that is the mean reason that is not sharp enough. * k ~# ]! J( Q. o $ I3 @$ Q0 I' K! ^! X2 G$ rthis is done by my new canon 400mm F5.6, and also this is about frist time to use it outdoor to take a picture on bird. ) a+ z$ f8 w; }5 \( ^* L. V$ B + E) m" I! D; `" ~4 N @that may be another problem which i may will overcome soon. 6 T- p& d7 d* P0 x( ? 6 z! J, N' N8 n4 }/ E8 g! |6 O# j8 BThank you!