I like the idea. I don't expect Pentax to do it. Jim
> From: [EMAIL PROTECTED] > Reply-To: [EMAIL PROTECTED] > Date: Fri, 12 Mar 2004 14:17:15 -0600 (CST) > To: [EMAIL PROTECTED] > Cc: [EMAIL PROTECTED] > Subject: daddy-D > Resent-From: [EMAIL PROTECTED] > Resent-Date: Fri, 12 Mar 2004 15:39:24 -0500 > > John had a complicated method for getting a *istD successor to > correctly operate K and M lenses with camera-aperture-control. > Nikon has a similar scheme in the D2h to allow matrix metering and > such with older CPU-less lenses, which is odd since the FA of 1983 could > do it without the manual input of information. > > Wouldn't it be simpler to build a daddy-D with an aperture-tracking-tab > so that it could meter correctly at full aperture, but NOT attempt > to overcome the difference in aperture-lever travel between K/M and A/F/FA > lens lines. It would let you use your K and M lenses in aperture-priority > and manual just like you always did, and more modern lenses with all the > newfangled modes. Pentax could top this off by re-issuing some of the > older lenses in FA variants for people who just have to have "P" mode > with their 18/3.5. > > If the camera "knows" when it's got an A or better lens mounted due to > electronic communication, it could refuse to go into advanced exposure modes > unless it found a modern lens attached--just give a snippy error message. > > DJE >
