RT Panther
All-Pro
I remember this series....
Another at ISO 12,800- Vivitar 135/2.3 Series 1, Wide-open.
This lens is one of the first telephoto lenses to use floating optics for close-focus, decades before Nikon.
Nikkor 55/1.2 Ai series, wide-open, At ISO 5000.
This is probably the fastest "T-Stop" lens that Nikon ever made, T1.25.