Fast super-telephoto lenses have always been expensive ... the Nikon Z 600mm f4 TC VR S and Canon RF 600mm f4 L IS USM sit at $15,499.95 / £14,899 and $12,999.00 / £14,179.99 respectively ...

The EF 600mm f/4L IS II USM is a high-magnification, super-telephoto lens featuring integrated Image Stabilizer technology and a fast f/4 maximum aperture. Perfect for wildlife, nature and sports ...