Archived posting to the Leica Users Group, 2001/02/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]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. > >