[mk44]

本人6D 配 Canon 400mm F5.6 or Sigma APO 50-500mm F4.5-6.3 DG OS HSM (本人已有70-200 4.0 + Extender EF 1.4x III 唔夠遠)..師兄買邊支好Ｄ??

[ChiuChiu1970]

要支最長的！

[viovanda]

400mm F5.6

[rockyiu]

456對焦速度好快, 畫質亦較5058佳.
如果純為打雀, 一定係456稱先,
如果想多用途的話, 5058係一個好選擇.

南生圍計, 456好夠了.

[canonfans007]

我用684II+2xIII都係勉強夠用



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