Is Nikon D6 and Canon EF 28-300mm f/3,5-5,6 L IS USM compatible?

Below you will find your chosen camera and lens. Click on the product name for more information.

Buy	Nikon D6 Released: 2020 Type: Digital SLR Sensor: FX (Full frame) 21 Megapixels 5568 x 3712 pixels
Buy	Canon EF 28-300mm f/3,5-5,6 L IS USM Released: 2004 Superzoom Focal Length: 28-300 mm Aperture: f/3,5-5,6

Can you combine these two?

This is the short answer:

No! This combination is not compatible

The camera and lens you have chosen cannot be combined. Here is a longer answer:

A non-Nikon lens on a Nikon camera

This is a Canon lens and unfortunately they are not constructed to work with Nikon cameras. If the lens would have been a Sigma, Tamron och Tokina it would perhaps be different since they are available with a compatible Nikon mount.