Archived posting to the Leica Users Group, 2010/12/23
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]What an interesting experiment. Like everyone else I'm pleasantly surprised by the sharpness and contrast of the lens. Likewise, I was surprised that you got infinity focus - then I re-read the post and saw it was bellows mounted, so quite easy with 8 inches of extension! Mark Pope, Swindon, Wilts UK Homepage http://www.monomagic.co.uk Blog http://www.monomagic.co.uk/blog Picture a week (2010) http://www.monomagic.co.uk/index.php?gallery=paw/2010 Picture a week (2009) http://www.monomagic.co.uk/index.php?gallery=paw/2009 (2008) http://www.monomagic.co.uk/index.php?gallery=paw/2008 On 23/12/2010 18:57, Jim Nichols wrote: > As I get older, I find I am more interested in things from the past. > Among the gadgets that I have squirreled away is a landscape lens for a > dry plate camera, manufactured around 1890. The lens is a Ross London No. > 6 Symmetrical 8-inch focal length, to cover 5x7 inches, and it is equipped > with rotary Waterhouse stops from f/16 to f/64. > > I am in the process of fitting the lens to a M42-mount lens board to > permit its use on a Pentax bellows unit attached to my Olympus E-1 DSLR. > For a dry run, to be sure that I had the dimensions correct, I assembled > the parts in a temporary manner to take a few test shots. All shots were > hand-held; I'm sure that the use of a tripod would improve things. > > The lens itself. A similar lens is shown under Ross on the > Camerapedia.org website: > > http://gallery.leica-users.org/v/OldNick/Ross+Lens+2.jpg.html > > A black and white image to look at sharpness and contrast: > > http://gallery.leica-users.org/v/OldNick/Michelin+bw.jpg.html > > 1890 meets 2010; a contrail with a faint view of the passing jet: > > http://gallery.leica-users.org/v/OldNick/Contrail.jpg.html > > I will find some period subjects when I get the project completed. > > Jim Nichols > Tullahoma, TN USA > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information