That sucks! Although a quick calc suggests maybe f2.8 ... whoops, no, you're right, f4.0 :-((((
> > Does the Pentax have a very high shutter speed to > > compensate for that high minimum ISO? > > No. Top speed is 1/4000. That means on sunny days it will be hard to use > an aperture wider than f4. I'd already thought that might be a problem, > (there have been days when I considered Provia 100F to be too fast a film) > and am seriously thinking of getting a 77mm neutral density filter.
