Nikon Z 50-250mm f/4.5-6.3

This cluster appears to aggregate a DX-format 50–250mm zoom for Nikon Z with a variable aperture from about f/4.5 to f/6.3. Such lenses are typically targeted at APS-C users seeking extended reach for wildlife, sports and telephoto needs without the bulk of full-frame telezooms. The AF token indicates autofocus capability; DI and DX are platform or format markers that should be confirmed in the source review. Variable-aperture telezooms like this trade absolute low-light performance for compactness and affordability while offering versatile reach for hobbyist telephoto work. Consult the linked review for image quality, VR/IS performance and autofocus behaviour in real-world use.