[gj1]

有冇 ching 指點下,謝謝!

[coody]

f2.8 / f4

thats the ans

[bean290]

same as 70-200, F4 and F2.8 :)

[gj1]

only reason........??
影靚相真係要技術之外,仲要$$$$

[h0001244]

<<<<點解Canon 16-35 2.8 貴17-40 4 咁多吖>>>
Just double price with one stop difference, not much !!!

Try compare 200L 2.8 and 200L 2.0..... also one stop difference

[orabuln]

光圈．．．　變型控制．．．　四角失光．．．　色水．．．　星芒．．．
１６３５　都比　１７４０　優勝．．．

[tommy@123]

影靚相真係要技術之外,仲要$$$$ ... ... ...重要有體力... ...

[sannaso]

haha,y 50 1.2 need 11XXX,nut 50 1.4 just 28XX?same here

[kkk1437]

如果器材真係唔重要....canon唔洗做啦..一人一支kit鏡就得...

[ncychan]

If you can use 17-40 f 4.0 lens to take better pictures than using 16- 3 5 f 2.8, then " 器材真係唔重要 " !!!

: )

[calwkf]

光圈高一級, 造鏡技術同難度高好多架... 如果唔係枝枝都f/1啦~