Archived posting to the Leica Users Group, 2001/02/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Seriously, this was a legitimate question, Jim... Are legitimate questions not acceptable now? Who's criminny anyway? My spell checker keeps trying to change it to acrimony... > Jeez Austin. For criminny sake!!! > > Jim > > > At 10:19 AM 2/21/01 -0500, Austin Franklin wrote: > >A claim has been made (elsewhere) that using a UV filter will > cause a 'focus > >shift', which, would be more critical for a > rangefinder...depending on how > >shifted the focus is. > > > >What are the facts around this claim? I take a Hasselblad with > a 110/2, and > >a magnifying hood...critically focus on something ~3' away, and > I don't see > >a focus change with a UV filter on or off...and all my Noctilux > and Summilux > >images are dead on focus wide open...and I do use UV filters, > and I do a LOT > >of close up work...I would think I'd see it there. > > > >Perhaps there is some focus shift, but it is certainly not significant. >