©
j.xianyu9: Ex1.1
©
j.xianyu9: Ex1.2
©
j.xianyu9: Ex3.1
©
j.xianyu9: Ex3.2
©
j.xianyu9: Ex4.1
©
j.xianyu9: Ex4.2
©
j.xianyu9: Ex5.1
©
j.xianyu9: Ex5.2
©
j.xianyu9: Ex6.1
©
j.xianyu9: Ex6.2JPG
©
j.xianyu9: Ex7.1
©
j.xianyu9: Ex7.2
©
j.xianyu9: white EV+2
©
j.xianyu9: black EV-2
©
j.xianyu9: Ex4.1---f/11
©
j.xianyu9: Ex4.2--- f/5.6