Archived posting to the Leica Users Group, 2001/02/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]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.