Yes, there seems to be some confusion here. Wikipedia[0] has a good explanation of depth of field. It's not the same as angle of view, which is what it seems

Yes, there seems to be some confusion here. Wikipedia[0] has a good explanation of depth of field. It's not the same as angle of view, which is what it seems to be getting confused with here. [0] http://en.wikipedia.org/wiki/Depth_of_field http://en.wikipedia.org/wiki/Depth_of_field