Canon EF-S 18-200mm f/3.5-5.6

2009-10-07 10:33 pm
Any comment on Canon EF-S 18-200mm f/3.5-5.6 ?
更新1:

compare with cannon EF-S 17-85mm f/4-5.6 IS USM which one is better. And what is mean of USM?

回答 (1)

2009-10-08 12:52 am
✔ 最佳答案
其實18-200mm既唯一好處就係方便.唔駛換鏡頭就有廣角同中遠焦距用.
以下網頁有鏡頭既測試
http://www.photozone.de/Reviews/overview
你會發覺18-200呢支鏡既光學質素係認真麻麻的,比平好多既18-55mm f3.5-5.6 IS更差.佢最大賣點就只有方便.不過呢個亦係好多人考慮佢既原因.
17-85mm其實都係麻麻.不過點都會好過18-200mm,而且佢有USM,即係超聲波對焦摩打,對焦比18-200快同靜.但係支鏡光圈比較細,唔係太值呢個價錢.
建議唔好買kit set,我估你係諗住買50D kit set,買淨機身再俾多小小買EF-S 17-55mm f2.8 IS USM,約$7550,光學質素好,大光圈,防震,超聲波摩打乜都齊.
如果預算緊可以考慮就快出既Tamron 17-50mm f2.8 VC.約$4300.光學質素好,大光圈,防震都有,係小咗USM.不過就要等下.


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