Archived posting to the Leica Users Group, 2011/01/02
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Philippe, Except for a vial of Superglue and a 1/16-in. drill bit, all of the rest was from material and tools on-hand. I used an adjustible bit left over from fitting new door locks, my sabre saw, and an orbital sander. Even the wood finish was from project left-overs. The wood was a piece of poplar trim material from an earlier task. Jim Nichols Tullahoma, TN USA ----- Original Message ----- From: "philippe.amard" <philippe.amard at sfr.fr> To: "Leica Users Group" <lug at leica-users.org> Sent: Sunday, January 02, 2011 1:26 PM Subject: Re: [Leica] IMG: My Ross Lens Project > Looks wonderful from here, whatever the pain it caused you to shivel or > lathe the rings :-) > > Amiccalement > Philippe > > Le 2 janv. 11 ? 20:22, Jim Nichols a ?crit : > >> >> Hi Philippe, >> >> Thanks for the kind words. I had an old Exacta bellows, but Exacta >> adapters are very expensive. I bought the Pentax adapter on the auction >> site and used a "donor" lens to provide the M42 flange, so I put the >> whole thing together rather cheaply. >> >> Jim Nichols >> Tullahoma, TN USA >> ----- Original Message ----- From: "philippe.amard" >> <philippe.amard at sfr.fr >> > >> To: "Leica Users Group" <lug at leica-users.org> >> Sent: Sunday, January 02, 2011 1:14 PM >> Subject: Re: [Leica] IMG: My Ross Lens Project >> >> >>> G?nial ! >>> >>> And you're only telling this to me when I just sold my bellows .... >>> >>> Vick, where are you? >>> >>> Great job Jim. >>> Really. >>> >>> Bien amicalement >>> Philippe >>> >>> Le 2 janv. 11 ? 19:13, Jim Nichols a ?crit : >>> >>>> >>>> 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 >>>> >>> NO ARCHIVE >>> >>> >>> >>> _______________________________________________ >>> 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 >> > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > >