Meike MK-50mm f/1.7 at a glance:
- RF-Mount Lens/Full-Frame Format
- Aperture Range: f/1.7 to f/22
- Multi-Layer Coating
- Manual Focus Design
- Metal Lens Barrel and Bayonet Mount
The Meike MK-50mm f/1.7 manual focus lens for the Canon EOS R system is now available for pre-order at $139.99 at B&H Photo. As far as I know this should be the first third party lens for the Canon EOS R.
Other Meike lenses are also in stock now, have a look here.
The Meike MK-85mm f/2.8 Macro Lens for Canon EF sells at $269.99.
Meike MK-8mm f/3.5 Fisheye Lens for Canon EF sells at $164.99.
The Meike MK-85mm f/1.8 Lens for Canon EF sells at $189.99.