Test với 7D , ISO = 200
f=4.0
http://tican.andisw.com/misc/Samples...24105-040s.jpg
f=5.6
http://tican.andisw.com/misc/Samples...24105-056s.jpg
f=7.1
http://tican.andisw.com/misc/Samples...24105-071s.jpg
f=9.0
http://tican.andisw.com/misc/Samples...24105-090s.jpg
f=11
http://tican.andisw.com/misc/Samples...24105-110s.jpg
f=16
http://tican.andisw.com/misc/Samples...24105-160s.jpg
f=22
http://tican.andisw.com/misc/Samples...24105-220s.jpg