[jimilee]

i read that F11 "自然光模式常推至ISO1600"

can i turn it down manually?

do i need to change it per photo, or just change it once since i start using the mode?

thanks in advance

[ew515]

As I know 自然光模式 = iso1600

So just set iso by manual if need

Actually, I found the AUTO ISO is reliable as all indoor use iso800, so shutter speed is fast enough to avoid hand shake and quality is accetable

[tl9078]

我用Z1同S9500都係同一類的CCD，ISO800用於室內比較好，ISO1600用於夜景比較好。拍攝要少於ISO400，如果唔係就會溶溶地既面口，好唔實淨！
至於自然光係一些唔夠光時用的，會隨著快門慢時推高ISO來換取足夠的光線來拍攝，而防手震是用高ISO來減低手震，因為快門會隨著高ISO增快了不少，原理大至上一樣。同類型相機品牌包括OLYMPUS•CASIO•FUJIFILM最多採用。
高ISO可以將動作定型拍攝，就像時間停止一陣給你拍照，但就像沒有太大那個活動感，而換來較多的NOISE(除了富士CCD無咁多之外)，其實都幾好用。所以我幾部都是用高ISO相機來作防震，當然一定要緊住拍人像不能高過ISO400，最好ISO200，除非情非得意時先好用。

[jimilee]

Thanks!

[littlecx]

f11 has much less noise than z1 and s9500. u can use iso400 to take very clean image.
this is bcoz the photosites, the sensor of light of f11 r much less dense than z1 and s9500.