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Re: [OM] IMG: My Ross Lens Project

Subject: Re: [OM] IMG: My Ross Lens Project
From: "Jim Nichols" <jhnichols@xxxxxxxxxxxxx>
Date: Sun, 2 Jan 2011 12:56:48 -0600
Thanks, Chuck.  I suspect you are correct.

Jim Nichols
Tullahoma, TN USA
----- Original Message ----- 
From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>
To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
Sent: Sunday, January 02, 2011 12:47 PM
Subject: Re: [OM] IMG: My Ross Lens Project


>I surely seems to produce good images.  Probably better now than when it
> was paired with old plates and papers.
>
> Chuck Norcutt
>
>
> On 1/2/2011 1:13 PM, Jim Nichols wrote:
>> 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
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