Meike 25mm f/1.8 large aperture manual focus lens is designed for APS-C Format Nikon Z Mount Cameras like Nİkon Z50 and also works with Z6,Z7,Z5 under APS-C mode.

The lens is constructed of seven elements in five groups, has an aperture range of F1.8 through F16, features a minimum focusing distance of 25cm (9.8”) and uses a nine-blade aperture diaphragm.

The lens measures in at 61mm (2.4”) in diameter, 41mm (1.6”) long and weighs approximately 170g (6oz). Meike notes that the lens is entirely manual to the point that you’ll need to set your camera to release the shutter without a lens, as it won’t recognize a lens is attached.
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https://www.dailycameranews.com/2020/08/meike-25mm-f-1-8-lens-for-nikon-z-mount/