Thanks, Rob, I too suspected most DSLR's except the Kodaks to be that way. Not having seen how a 6 Mpix image would look without anti-aliasing, it makes me wonder. Nikon has apparently implemented a middle way with D70, doing some of the anti-aliasing in software instead.
Here's a quote from Yatish Kumar's review at http://www.photo.net/equipment/nikon/D70/: "Of particular interest is an understanding of image quality when using RAW NEF files. In order to enter a discussion on this subject, it is important to understand that Nikon chose to implement the anti-aliasing function partially in the softening filter in front of the sensor, and partly using image processing algorithms after the picture has been taken. A complete explanation of this can be found at the following link: http://www.nikon.co.jp/main/eng/portfolio/technology_e/image_processing_e/index.htm."; >From the examples given by Kumar, it seems to be a good solution for sharpness. Jostein Quoting Rob Brigham <[EMAIL PROTECTED]>: > Isnt this the way they (DSLRs) all work? Except the full frame Kodak > jobbie which has no AA filter (and has problems with moire etc as a > result I believe). > > > -----Original Message----- > > From: Jostein [mailto:[EMAIL PROTECTED] > > Sent: 06 July 2004 15:54 > > To: [EMAIL PROTECTED] > > Subject: *istD anti-aliasing? > > > > > > Gang, > > > > After a chat with a pentax guy today, I got the impression > > that the *istD doesn't use much firmware antialiasing, but > > rely on a softening filter in front of the CCD to avoid > > jagged edges. Does anyone have any other info on this? > > > > > > Jostein > > > > > > > > > > > > ---------------------------------------------------------------- > > This message was sent using IMP, the Internet Messaging Program. > > > > > > ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program.
