Spare or replacement Nikon DK-29 Viewfinder Eyepiece (rubber Eyecup), compatible with specific Nikon Z cameras including Z 7II, Z 6II, Z5, Z7 and Z6, which reduces stray light from entering the viewfinder. The Nikon DK-29 Viewfinder Eyepiece is designed for specific Nikon Z Mirrorless camera bodies. It's made from a soft and comfortable rubber that is shaped to minimise stray light from entering the viewfinder. It's also specifically designed so that even when attached, your camera's LCD monitor will still automatically switch off when the camera is raised to your eye. Why buy theNikon Rubber Eyecup DK-29? Spare or replacement eyecup for the Nikon Z 6 and Z 7 cameras. Nikon Rubber Eyecup DK-29 Fits the Nikon Z 6 or Z 7 cameras. Blocks light and increases comfort when using the viewfinder.