[LargeFormat] TWO versions of Rodagon 300mm?

[Michael Sullivan]

I guess I'm not fully understanding what you mean in your post below.

I thought that "Rodagon" was Rodenstock's designation for an 
enlarger-type lens where the reproduction ratio was optimized to be 
between 2:1 and 10:1. However, what concerns me is that horizontal 
cameras are almost ALWAYS used to copy 1:1. So is it possible that 
Rodenstock made TWO DIFFERENT VERSIONS of the Rodagon -- one optimized 
for 1:1 (i.e. horizontal applications) and another optimized for 2:1 to 
10:1 (i.e. vertical applications). Their literature makes no mention of 
any such distinction -- is it possible that in the past there was a 
difference?

MJS



On Saturday, February 14, 2004, at 11:21  AM, LNPhoto wrote:

> Since this is a process lens, maybe it refers to the type of graphic 
> camera it's to be used on, but most Vertical Graphic cameras were 
> small and thus the focal length would separate them
>
>
> On Saturday, February 14, 2004, at 08:55  AM, Michael Sullivan wrote:
>
>> Dear List,
>>
>> I have an opportunity to purchase a Rodenstock Rodagon 300mm lens for 
>> copy work at 10:1 ratio. There are two models available -- one for 
>> "vertical" use and another for "horizontal" use.
>>
>> Could it  be that the "horizontal" version is optimized for 1:1 
>> copying (typical of horizontal graphic cameras) whereas the 
>> "vertical" is optimized for 8:1 for enlarging (as per Rodenstock's 
>> literature)?
>>
>> Thoughts? Comments?
>>
>> MJS
>>
>>
>>
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Michael Sullivan

J MICHAEL SULLIVAN PHOTOGRAPHY
Marshfield Hills Massachusetts
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