Archived posting to the Leica Users Group, 2010/09/23
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Quite so. Nevertheless the "lower contrast, higher resolution" myth continues... FD On 22 Sep, 2010, at 22:43, wildlightphoto at earthlink.net wrote: > Herbert Kanner wrote: > >>>> > A lens per se cannot manipulate contrast, it merely refracts what is > there. But miscellaneous scattered light not coming from the image > will reduce contrast as if the film (or sensor) had been exposed to a > low level of miscellaneous distributed light before or after the > actual taking of the picture. It is the same phenomenon that we try > to avoid by using a lens hood: scattered light inside the lens. So, > in my opinion, a "low contrast lens" is just a poorly implemented > lens: failure to coat internal elements, shiny internal structural > parts, whatever. > <<< > > Seconded. A low-contrast lens is a sign of photon noise: a lower > signal-to-noise ratio. > > Doug Herr > Birdman of Sacramento > http://www.wildlightphoto.com > > -------------------------------------------------------------------- > mail2web.com ? Enhanced email for the mobile individual based on Microsoft? > Exchange - http://link.mail2web.com/Personal/EnhancedEmail > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information