Nikon Z 24-200mm f4-6.3 VR Nikkor lens mount_Sony E and the actual bellows are

and the actual bellows are light-tight

Why would you put a fisheye adapter on a 200mm lens

which is to say that it's not just a terrestrial camera in a bulky housing

This one is in good cosmetic condition

This lens is the higher-spec "Blackstone" model with the metal body

Nikon Z 24-200mm f4-6.3 VR Nikkor lens mount_Sony E and the actual bellows areThe Nikon Z 24 200mm f4 6. 3 VR Nikkor is relatively compact full frame all in one zoom lens for Nikon Z mount mirrorless cameras, with a handy wide to telephoto range and an built in image stabilizer for steadier shots. In excellent condition, with only very minor cosmetic wear. Includes hood and box.