[tonychiu68]

用緊D90，有支sigma 15-50 F2.8，
想問下Nikon 50.4D and 50.4G兩支鏡速度同成像有幾大分別？
價錢差一半，正在考慮中
定係買Nikon 50.8
謝謝

[kencheng72]

The 50.4G is very slow in focus and expensive.The 50.8 is the best buy if you have a tight budget.

[seamonkey]

50.4G 優點係質數高和影人像靚，如果唔係都唔會咁貴，正所謂一分錢一分貨！

[YKHUI]

很有錢買 1.4G , 一般人買 1.4D , 窮人買 1.8

[Lok@lex]

窮人應該冇"閒錢"買鏡... XDDD