The lens will still have to be focused or it will disperse the light to the photograph's detriment. Further, if you choose an optimum pinhole size, any lens, however perfect, can only muddy the image further. Besides, what's the point of pinhole photography if you use a lens? You'd just be doing ordinary (lens) photography with a really, really small aperture!
Pinhole photography. The only photography with flair, but no flare! Regards, Bob... From: "Shel Belinkoff" <[EMAIL PROTECTED]> > "Tim Engel" <[EMAIL PROTECTED]> wrote: > > >Either. Pinhole diameter and distance from the film plane determine > >aperture and focal length. So you can use a body cap for a short focal > >length. Or you can use a lens cap on extension tubes (not on a lens) > >for longer focal lengths. > > OK, if I understand what you're saying, regardless of whether you use a > lens cap or a body cap, a lens is not used. Why wouldn't a cap with a > tiny hole, placed over a lens, work? > > >A few weeks ago, I did a Yahoo! search for pinhole photography and > > was surprised by how many sites popped up. There are sites selling > >body and lens caps modified to accept little inserts drilled for different > >pinhole diameters. Just switch inserts to change hole diameters. > >Some have little spring loaded hole covers that you can open manually to > >make an exposure. It was an interesting search. > > TYhanks. I'll poke around a little. Calumet has body caps laser drilled for > pinhole work. - 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 .
