Archived posting to the Leica Users Group, 2001/02/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]DOF is totally dependent upon what COC you are willing to accept. One man's great DOF is another man's blurry photographs. Jim At 04:47 PM 2/6/01 -0700, you wrote: >I trust the man with the 13x19. I always choose reality over the internet. >What would you estimate the critical depth of field to be at .7m and f1.4? > >John Collier > >> From: "Austin Franklin" <austin@darkroom.com> >> >>> >>> http://www.silverlight.co.uk/resources/dof_calc.html >>> >>>> From: "Austin Franklin" <austin@darkroom.com> >>>> >>>>> Wide open and focused close, the depth of field of the 75/1.4 >>>>> is between 6mm >>>>> to 8mm (just over a quarter inch). >>>> >>>> What are you basing this number on? >> >> I don't believe it's accurate. I routinely shoot at 1.4 with both a 75 and >> an 85, and I find my critical DOF to be much much larger than 6mm to 8mm. I >> also print typically 13x19...so DOF is quite noticeable. >> >>