you can’t just mount it directly to your camera and expect to get a useful result: everything will be out of focus
with some surface paint and finish wear
4cm are the maximum dimensions
but you'll find adapters available (or you can rig one up yourself)
Also very useful for looking like an important person who knows what they're doing
Nikon Z6 Filter Type_Filter Holders you can’t just mount itThe Nikon Z6 is a modern mirrorless camera with a 24mp sensor, 3. 69 million pixel OLED viewfinder, 12fps continuous shooting, 273 phase detect autofocus points, 4k Ultra HD video capability, and more all with Nikon's Z mount for compatibility with the newest Z lenses and most Nikon F mount lenses (with an FTZ adapter, sold separately). In near new condition, with approximately 800 actuations. Includes battery, charger, and USB cable.