Archived posting to the Leica Users Group, 2003/05/07
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Jim, > ><http://www.schneideroptics.com/info/white_papers/optics_for_digi > tal_photography.pdf> > > I've been pointing folks to that white paper for a couple of > years now. And > I still get poo poo'ed. Ditto. > They are > computed to > produce a lower MTF frequency than film lenses. This way a low > pass cut-off > filter is not needed over the digital sensor. This increases sharpness in > many ways. Just to clarify that, this increases sharpness when used with a digital sensor, not when used with film. > All high-end digital SLR's that use film camera lenses have a low pass > cut-off filter over the sensor to dumb down the lens to match the sensor > pixel frequency. My understanding is, the latest Kodak 14n DigiSLR claims to use no low pass filter. I don't know if it's available as an option, as you say they are for the digital backs. Regards, Austin - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html