Archived posting to the Leica Users Group, 2011/01/02
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Fantastic Jim, I can't believe, as it look it seems very good quality. Good work and yiu get a good new toy! Saludos Lluis El 02/01/2011, a las 19:13, Jim Nichols escribi?: > For about fifty years, I have had a few old lenses stashed away, > mostly forgotten. The best of these is a Ross London No. 6 > Symmetrical lens, which was manufactured around 1890, according to > the SN. It has an 8-inch focal length and rotary Waterhouse stops > equivalent to f/16 through f/64. These were manufactured in various > focal lengths over a period of years to use on the wet plate and dry > plate cameras also manufactured by Ross. > > The lens and flange are shown in this image: > http://gallery.leica-users.org/v/OldNick/Ross+Lens+2.jpg.html > > I decided to see what this lens could produce. I fabricated a > spacer/adapter, which has the Ross flange on the front, and an M42 > flange on the back, to mount on a Honeywell Pentax bellows. > http://gallery.leica-users.org/v/OldNick/Lens+Flange+to+M42+Adapter.jpg.html > > The lens and adapter were mounted on the bellows, as shown here. > http://gallery.leica-users.org/v/OldNick/Lens+Adapted+to+Bellows.jpg.html > > The bellows assembly was mounted on my Olympus E-1 using an M42 > adapter. > http://gallery.leica-users.org/v/OldNick/Final+Assembly.jpg.html > > All of these photos were made with a Leica Elmarit-R 60mm Macro on > my E-510. > > I tried a few hand-held photos this morning, when it is 32 deg F. > and ice on the water, with a strong breeze. Most were unsteady, > because of the cold. The best example is shown below, showing > battle flags at a local Confederate Cemetery. This was made at ISO > 200, 1/400 at f/16, RAW, converted to B&W using a PhotoPlugins > converter. > http://gallery.leica-users.org/v/OldNick/Flags+BW.jpg.html > > The bellows and spacer allow focusing from 15 feet to infinity. My > next effort will be to get a set of M42 extension tubes to achieve > closer focus. > > Comments and critiques welcomed. > > Jim Nichols > Tullahoma, TN USA > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information