Hello, I have been a lurker for quite a while and decided to finally join the dialog. I recently purchased a Sinaron S 360mm 72º, #10719654. It was listed as a Sironar S 360mm. I have scoured the web trying to find info on this lens which according to everything I have found, and even a phone call to Sinar US, it shouldn't exist. Hears what I think I know;
Rodenstock, vintage 1986-9, the Sinaron S should equate to Sironar N
The problem is that the Sironar N series is 64º and even the Sironar S is 68º, this lens clearly marked on the barrel @ 72º. I read Kerry Thalmans excellent piece on the history of Rodenstock lenses in View Camera Magazine's archives and it was not identified in there either. There was mention of an Apo Sironar (no suffix) during the late eighties that was the precursor to the Sironar W, however this only existed as a 210mm, 240mm, and 300mm & not a 360mm. I love a good detective chase , but this is driving me batty. I was going for the Sironar S in hopes that it would give me the sharpness and color saturation that I get from my Hasselbad 250mm Superachromat. I have not felt that the Sironar N's are quite as rich, and was thinking the ED glass might help. Anyways, I need to determine wether or not to return it, I have a short window which does not allow for comprehensive field testing, and I have not come across any 360mm Sironar S' or Sinaron SE's they seem to be very rare. Any expertise would be greatly appreciated.
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