Archived posting to the Leica Users Group, 2003/05/07
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Jim Ah yes! Since Austin is intimately familiar with the Optical Glass Film Plane in the Rolleiflex F and Tele Rollei, maybe he can tell us how the glass will affect the MTF of the lenses image. Jerry Jim Brick wrote: > 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 - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html