Fotomacher wrote:
I would use a 613mm f/1.6 with a minimum aperture of f/35. The lens should have at least 3 nomium elements and anti-sodium coatings. These lens generally have titanium bodies and Nikon F mounts. You can special order from Willy but last I heard, he had one on the shelf since the customer who ordered it has not been back to pick it up. No one knows where he is....