Thank you for this answer, Gianfranco, but why is it then still possible to set a seemingly right combination of shutter speed (let's say 10 s) and aperture (maybe 5.6) at the "zero point" "thermometer scale" in the viewfinder? That seems contradictory to me. 01-11-25 15.04, Gianfranco Irlanda at [EMAIL PROTECTED] wrote:
> Hi Peter, > > Welcome to the list! > > When the indications in the finder twink it means that you are > reading an amount of light outside the possibilities of the Z-1p > meter. > > I'm sure no camera can measure light in a way it can take the > Schwarzshild effect into account, BTW. The LX can expose for > several minutes, so that the effect should induce strange > behaviour in certain films, but I've had no experience of that. > > Gianfranco > > ----- Original Message ----- > From: Peter Smekal <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Sunday, November 25, 2001 12:23 PM > Subject: Schwarschild? > > >> Hi, this is the first time for me in this discussion group. I > start with a >> question. >> I recently bought what seemed to be the last Z1-p available in > Sweden. It is >> often described as an outdated model with an outdated > auto-focus, but so far >> I think it works great. I really like this camera. >> However, when using the hyper-manual mode in certain "darker" > situations - >> inside churches for instance - both shutter and aperture > numbers in the >> viewer and the LCD field are twinkling. At the same time it is > still >> possible to find a suitable combination of aperture and > shutter speed with >> the help of the measurement scale in the viewer. So what does > the double >> twinkling indicate? Is the camera working correctly? >> I have received different answers. One of the Pentax-people in > town told me >> that the twinkling of both figures is just a warning to use a > tripod or a >> flashlight, another one told me that is means that you are > outside the >> measurement area of the camera. Somebody explained that it had > something to >> do with a "Schwarzschild-effect" and that the exposure > measurement is >> outside the "linear are". What is true of all this? >> T i a >> Peter >> [EMAIL PROTECTED] >> - > Yahoo! GeoCities - quick and easy web site hosting, just $8.95/month. > http://geocities.yahoo.com/ps/info1 > - > This message is from the Pentax-Discuss Mail List. To unsubscribe, > go to http://www.pdml.net and follow the directions. Don't forget to > visit the Pentax Users' Gallery at http://pug.komkon.org . - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
