g327238 wrote:
出來騙錢的吧！感光元...(恕刪)
鏡頭的設計被光學的物理特性限制住。再怎麼用心，也不可能打破物理的定律。大光圈的變焦鏡在這個片幅會大到你不想帶出門，要不然就會出現成像圈。
以後一定會有這樣的鏡頭出來，只是不會用玻璃做的。
g327238 wrote:
出來騙錢的吧！感光元...(恕刪)
It is true! Please translate this statement of dpreview into Chinese:
"Sensor size and aperture: relationship to low light image quality and background blur
The G1 X has a much larger sensor than other fixed-lens compacts, which implies it should offer much better high ISO image quality. But for fixed-lens cameras, that's only half of the story, and lens speed plays a crucial role when considering low light performance. Smaller-sensor cameras such as the Olympus XZ-1 and Fujifilm X10 sport lenses which are rather faster than the G1 X's, by a stop or more at wideangle and two stops at telephoto. This means that, under any given lighting, you can always use lower ISOs with these cameras. This will go some way to offsetting the G1 X's larger-sensor advantage - especially at telephoto.
Much the same reasoning applies when considering how well each camera will be available to deliver blurred backgrounds when shooting portraits. Here the optical calculations deliver an answer that some may find surprising: when shooting portraits at the long end of the zoom with the lens wide open, the G1 X will offer little advantage over either the X10 or XZ-1 in terms of subject isolation and background blur. Of course this isn't anywhere near the whole story with regard to overall image quality, but it's worth knowing."
G1X is not better than XZ1 or X10 in low light but double of their price!
叫MILC 不是EVIL
而且DPreview 去年有做一個網路投票
MILC 這個縮寫得票率最高
http://www.dpreview.com/polls/
Nikon 日本官網的1系列介紹
Nikon 創造了一個名詞 ACIL
也不叫EVIL
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