Archived posting to the Leica Users Group, 2003/05/07
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]At 07:57 PM 5/7/2003 -0700, Jerry Lehrer wrote: >Jim > >Congratulations! You did it again, without resorting to mysticism. > >I wondered why there were different requirements for digital vs. >film lenses. Now what does a low pass cut-off filter look like? > >Jerry They look like clear class, no density, no color. But they somehow reduce the MTF frequency that it will pass. Perhaps Austin knows how it works... ? Jim - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html