GRD3這次雜訊比GRD2進步很多
G11雜訊應該也會比G10進步一點吧
dpreview的稿子裡面寫:
Canon’s new Dual Anti-Noise System combines a high sensitivity 10.0 Megapixel image sensor with Canon’s enhanced DIGIC 4 image processing technology to increase image quality and greatly improve noise performance by up to 2 stops (compared to PowerShot G10).
2倍於G10的雜訊抑制能力.....不過我估只有1.5倍

總之還是S90比較有吸引力, 價格體積有優勢....
光圈是還好, 因為S90望遠端光圈掉比較快, 平均而言跟G11差不多
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