Archived posting to the Leica Users Group, 2000/11/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]If the Noctilux is wide open and you put a UV filter with a mount of normal thickness on the lens, the exposure may be reduced significantly by the increase in the amount of vignetting (caused by the rim of the filter) not the extra glass of the filter. John Collier > From: Rob McElroy <idag@pce.net> > > Anyone else have any thoughts on whether a UV filter cuts out a measurable > amount of light?