比500D提升得还不少，
像素长了300万，1800万的CMOS，应该是7D那块吧？

Features at a glance:

18 Megapixel APS-C CMOS sensor
DIGIC 4 processor with ISO 100-6400 (Expansion to 12800)
Continuous shooting at 3.7fps
Full HD movie recording with manual control and selectable frame rates
7.7cm (3.0”) 3:2 Clear View LCD with 1,040k dots
iFCL metering System with 63-zone Dual-layer Metering Sensor
Quick Control screen to change shooting settings
Exposure compensation +/-5 stops.
Select maximum value for Auto ISO
External Microphone socket
Movie crop function
Eye-Fi connected functions compatibility

怎么又一个主题？？

似乎没人关注，我做个沙发吧！估计对焦还是老一套，就拿高清欺负对手了！随便一个入门机1080P。