本帖最后由 gotham 于 2009-7-7 14:23 编辑 8 R0 g4 M3 |, O$ M' F" ^# e9 ]* ?/ W$ v: Q) d+ J( S
It is believed that "1/focal length" is used as the minimum "safe" shutter( u% x% J- I1 y- o0 g/ H3 Y9 i
speed for handheld shots. But I believe there are always some "iron hands" existed, lol