I am in the market for a 300mm f/9 lens. I have perused the archived threads and read varying reports on the three modern 300mm f/9 lenses, the Nikkor M, the Fu jinon C, and the Rodenstock Apo-Ronar. In fact, I contributed to those threads o n at least one occasion.
I have, over the past 20 years, owned a Nikkor and Fujinon, but never at the sam e time. I have recently shot with a rented Apo-Ronar.
I am curious about the coverage issue. Clearly the Fujinon lists the largest cov erage, and the Apo-Ronar a very conservative coverage, but there are recurring r eports that both the Nikkor and Fujinon fall off considerable in image quality t oward the edges of their image circles.
Does anybody have any first-hand recent experience in comparing the coverage of these lenses... particularly somebody who shoots 5x7 or 8x10 and actually worrie s about the edges of the image circles? I would like to be able to use indirect rise on shots, and want to know if the Nikkor or Fujinon really give me more hig h-quality usable image circle than the Apo-Ronar.
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