It has been fitted with a Mamiya 645 mount that appears to be adapted from a Kilfitt adapter.
Rosfix OptiZoom C-Mount Microscope Lens - 1X-150X Magnification | 50-1000mm Working Distance | 30mm Mounting | 195g | Use for Microscope Cameras
Nikon DSLR DIGITAL fit 500mm 1000mm mirror lens D3200 D3300 D3400 D3500 & more *
Nikon P510 Coolpix Camera Integrated 42x Wide-Angle 24-1000mm (Equiv) Lens Boxed
[Top MINT] Nikon Reflex Nikkor 1000mm f/11 MF Mirror Lens From JAPAN #152240
Ultra Rare [Near MINT] Yashica Reflex Yashinon DX 1000mm f/11 M42 From JAPAN
[Near MINT w/box] Nikon Reflex Nikkor 1000mm F/11 RF Telephoto Mirror MF Lens
![[Top MINT] Nikon Reflex Nikkor 1000mm f/11 MF Mirror Lens From JAPAN #152240](https://images.buynet.work/thumb.php?i=388800642&s=240)
![Ultra Rare [Near MINT] Yashica Reflex Yashinon DX 1000mm f/11 M42 From JAPAN](https://images.buynet.work/thumb.php?i=389824347&s=240)
![[Near MINT w/box] Nikon Reflex Nikkor 1000mm F/11 RF Telephoto Mirror MF Lens](https://images.buynet.work/thumb.php?i=392023548&s=240)