D80, 50mm, f/5.6.
Focus Distance = 1m,
DOF=9cm, Front=4.14cm, Rear=4.86cm.
If Focus Distance = 1.5 m,
DOF=20.6cm, Front: 9.48cm, Rear: 11.12cm.
FD=1M, 車頭說得對, 對焦應該在弟弟.
FD=1.5M, 對焦在姐姐, 也許不會跑 焦.
D80, 50mm, f/5.6.
Focus Distance = 1m,
DOF=9cm, Front=4.14cm, Rear=4.86cm.
If Focus Distance = 1.5 m,
DOF=20.6cm, Front: 9.48cm, Rear: 11.12cm.
FD=1M, 車頭說得對, 對焦應該在弟弟.
FD=1.5M, 對焦在姐姐, 也許不會跑 焦.