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咁多位CHING;
小弟慾買相機...睇中CANON G11/CANON EOS 550D/SONY NEX5呢3部..
但又唔知邊部好d..雖然G11唔係單反,但佢影出黎d相都好好下!
所以想問下邊隻好d...平時拎黎影下景同埋影人相...

同埋我想玩單反..(之前已經睇過d書同上網做功課)
唔知有邊d機係7k以內..但d功能又好既單反呢..?(水貨)有無好介紹..?
唔該哂><

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同埋我想問下550D可以換咩鏡...

[Laza]

>>550D可以換咩鏡...

All Canon EF-S lens (18-200, 18-135, 15-85, 10-22, 17-50/F2.8, 50/1.8)
All Canon EF lens (17-40, 16-35, 24-105, 24-70, 70-200, 70-300.....etc.)
Sigma, Tamron and Tokina also have lots of lens for Canon mount. Far too many to name all.

I am also using 550D (18-200/F3.5-F5.6, 50/F1.8), and just love it.

If you want speed in focusing, 550D should be the best one among them.

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唔該哂你!我諗我會買550D!><

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同埋我想問下呢...單反既光圈係咪會隨著換機而增加同減少?

官方資料:::
自動對焦情況:
•TTL 9 點對焦（中央一點可對應 f/2.8 光圈）
•人工智能伺服 AF
•人工智能自動對焦
•一次性對焦

即係部機f2.8? 如果插f1.8既鏡會唔會加大個光圈?

[Laza]

>>同埋我想問下呢...單反既光圈係咪會隨著換機而增加同減少?

Yes. The aperture depends on the lens used.

>>即係部機f2.8? 如果插f1.8既鏡會唔會加大個光圈?

Largest aperture is still F1.8, but I'm not sure what exactly "中央一點可對應 f/2.8 光圈" means. Possibly faster focusing.

But I know higher spec DSLR, like 7D, 50D, 5D and 1D will have many more focus points that can 對應 f/2.8 光圈. As they all have a more advanced focusing system, hence more expensive loh...

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thank you!等我出糧買550D先!_!