Hey William, Regarding the use of the Pentax 17/4.0 fisheye, you said not to stop down any more than necessary. Why is this? Does diffraction set in early? I'm quite curious!
> > I do macro work so always focus manually. What matters to me is the > quality > > of the optics. I like an extremely deep depth of field, so I expect > I'll be > > shooting with the lens stopped down all the way... > > Don't stop down more than you have to. > > William Robb Cheers Barry Barry A. Rice, Ph.D. FAQ--Author http://www.sarracenia.com/faq.html Galleria Carnivora Curator http://www.sarracenia.com/galleria/galleria.html
