[dominicchoi]

I would like to ask if other Ching have the same problem as mine. When I focus at something around 2m and then point to the top of a building far away, it cannot focus properly but still I can release the shutter, it will take a blur photo.But if i set @180mm or less, it will focus normally.I ve replaced a second one, the same thing happened. Is this normal?

[tslleon]

Ching 你是否用單點對焦，先對目標(e.g. 影女)，然後移動鏡頭去做構圖？

[dominicchoi]

yes Ching, i use 單點對焦, first photo i took a closer object (i e around 2 meter) then a second photo i aimed at the top of a building far away Hong Kong bank, it could not focus properly but still i can release the shutter. thx.

[tslleon]

Ching，相信你用了相機的AF-C對焦模式，及小黑6的A/M mode。只是誤用對焦模式，不是小黑6的問題。

相機
AF-C → 連續對焦模式，半按快門時會不斷以對焦點對焦，適合打不斷移動的東西，如飛鳥。但是，用半按快門做構圖時必定「出事」；試想向model對好焦，對焦點移到C子銀行天空時，焦距自動轉去無限，張相點會唔中「蕉」？
AF-S → 單次對焦模式，半按快門時只會對焦一次，再半按才再對焦，適合打靜態東西，如索女。

鏡頭
M mode 不用說
M/A mode + AF-C，手動先決，情況如AF-S，但畫面變動太大，都會追焦。
A/M mode + AF-C，自動先決，自動追焦。

至於為何180mm時不追焦？因為畫面變動較200mm時小，未必及觸發「連續對焦」。

注意：小弟沒有小黑6的，假如Ching想更了解小黑6的性能，只要Ching「無條件」借小黑6給小弟玩一個月，小弟亦會「無條件」做「測試」。
Y^O^Y :D

[tungch8899]

I ve replaced a second one, the same thing happened. Is this normal?
======================================================
seems the lens was OK and just the problem of focuing mode to use. the shop allowed you to change? which shop was so nice?

[dominicchoi]

THX tslleon Ching, you are quite logical but I always use (S) mode. Anyway thx.

[tslleon]

dominicchoi Ching，如果AF-S都出現這情況有可能 shutter 制接觸不良，引至兩次半按。原因可能是機件問題，手勢亦有可能性，建議你去CS check。

當然，把小黑6「無條件」借給小弟做「測試」亦可。 :P Y^O^Y (^.^)