[house]

又出 FF 又出 APS-C的 Nikon 話 ：For photographers who shoot on location with a large amount of equipment, and for those who favor telephoto shooting, the DX-format image sensor provides many significant advantages.
要用大量器材外攝及賣歡遠攝的攝影師，DX格式有不少明顯的優勢。

資料來源：http://imaging.nikon.com/products/imaging/lineup/microsite/d300s/en/image-quality/

[house]

不如實事求事討論下，集中講Nikon就算。

[ixizhk]

I think, For photographers who shoot on location with a large amount of equipment, and for those who favor telephoto shooting, N O T O N L Y the DX-format image sensor provides many significant advantages, DX lenses will also help, as they are smaller, lighter, and cheaper.