I used two photos, one for background, another for foreground.

and then used blending to put them together.
Yes, you are right. I will use f/22 instead next time.
original info:
ISO100, 0.8" and f/16.

所有跟帖： 

• 有大师说， f超过16， 画质就不好了。 -mengxu- ♀ (120 bytes) () 04/03/2007 postreply 09:23:35

• I learned from a landcape book, most of the pp were taken -sqllsq- ♂ (235 bytes) () 04/03/2007 postreply 09:55:21

• the foreground PP has bright and very clear detail on stones, -sqllsq- ♂ (287 bytes) () 04/03/2007 postreply 10:41:28