Originally Posted by Kiron Kid
I was told that 450mm f/4.5 solid cat is one of the best mirror lens.
But How's the 600mm f/8 solid cat compare with, for example, 500mm f/8 from Nikon and/or Tamron 500mm f/8 55bb ? do you have a such experience?
The reason why I am looking at 600mm f/8 instead of 450mm f/4.5 is because 450mm f/4.5 is very rare and it commands a huge premium. 600mm f/8 is much more reaonsably priced and it does show up once a while in the used market. I would like to know how it fairs