景深跟距離無關

For example, if you take a photo with 100mm focal length at 10m away, then, with 200mm focal length, to take the same photo (same field of view), you will be at 20m away.  And in these two cases, the depth of field is essentially the same.

所有跟帖： 

• 忘了更重要的原因： -pieq314- ♀ (34 bytes) () 09/14/2012 postreply 05:18:23

• 回複：景深跟距離無關嗎? -金久- ♂ (764 bytes) () 09/14/2012 postreply 13:53:46

• Important: Same photo (same filed of view) -pieq314- ♀ (125 bytes) () 09/14/2012 postreply 18:37:13

• 哈哈，沒有別的意思，祝你越排越好！ -金久- ♂ (0 bytes) () 09/14/2012 postreply 22:35:54

• 明白。 -pieq314- ♀ (154 bytes) () 09/15/2012 postreply 06:14:45