?2?14? PChome???????550D?????????????1800???CMOS????DIGIC4????????????????????????????????550D?????1080P?????????????????????????????????PictBridge???????????????????????3900??????????
??550D???3???EOS???????????????????????????????????????????????????????????CMOS??????????????????CMOS????????????4.34.3???????????1800??????????????????????????????????DIGIC 4????????????4???CMOS??????????????????????
??????CMOS???????DIGIC 4???????EOS 550D??????????????ISO 100-6400???ISO??????????????ISO????????????ISO??????????ISO??????ISO 12800?????????????550D???????????????????APS-C????????1800????CMOS?????????????????CMOS????????????4.34.3???????????1800???????????CMOS????????4??????????????????????1800?????????????????????
??550D???????3:2?3.0???????????????550D??????????3:2??????????????????????????????????????????????????????????????????????????????????????????????????????
????????PCHOME????????????????PCHOME????????
[? ? ?]:??????
[????]:??550D 3900?
[????]:??
[????]:15303720062
[????]:??????????????50???
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