Canon RF 14-35mm f/4 L IS USM Lens
This is your wide angle landscape RF lens being f/4. The RF 15-35mm f2.8 option is arguably better glass and more versatile for the likes of Astro photography.
The RF 14-35mm f/4 L IS USM is an all-round lens can handle everything from landscape and architectural photography to snapshots and portraits. The telephoto end of the lens maintains the 35mm telephoto range, while at the same time enhancing close-up shooting.
RF 14-35mm f/4 L IS USM is a wide-angle zoom lens that offers high image quality in a compact size. With an overall length of approximately 150.55mm when connected to a camera such as the EOS R6, it's easy to store and carry on your shoots.
The RF 14-35mm f/4 L IS USM, allows you can shoot a wider angle by 2mm than with existing EF model that starts at 16mm. This comes in handy when you want to capture more of the surroundings in a limited space or when you want to emphasise perspective.