Archived posting to the Leica Users Group, 2001/02/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Well, get off your horse! If you have something technically pertinent, I, for one, would love to hear it. Now, if you just want to tell me I'm a dope, I'm used to it, but at least tell me why ;-) > I'm showing unbridled restraint! > > Jim > > > At 01:24 PM 2/21/01 -0500, Austin Franklin wrote: > >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. > >> >