Archived posting to the Leica Users Group, 2009/12/15
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Fabrication of digital sensors is inherently a planar process and I doubt it could be adapted to curved surfaces. I do know of one large camera for astronomy, though, that puts a large group of sensors on a spherical surface to approximate a spherical focal plane. Regards, Dick On Dec 15, 2009, at 3:14 AM, Frank Dernie wrote: > Engineering expediency and history! Making a spherical wet plate would not > have been easy, nor would spherical section film! Having the image in a > plane makes the optics complex and expensive, but was necessary. > I guess a spherical digital sensor is feasible, but then we would need all > new lenses :-( > I am sure I have seen a panoramic camera with a cylindrical film path and > pivoting lens. Henning probably has used it/got one! > cheers, > Frank > > On 14 Dec, 2009, at 20:09, simon jessurun wrote: > >> This article made me wonder why is the retina curved and is the film plane >> in a camera flat? >> >> http://www.newscientist.com/article/dn18275-flexible-solar-cell-implant-could-restore-vision.html >> best,simon >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information