Hoodman eyecups regular size and glasses size for Nikon square snap on eyepieces D750, D3500 Material:Regular eyecup - H-EYEN22S Designed to universally fit 4–10-inch

Designed to universally fit 4–10-inch flat panel monitors

string the light cord through the loops sewn at the perimeter of the Launch Pad

Place the section between the knots over your HoodLoupe eyepiece so it rests under the eyepiece

1D MARK IV

Just being transparent

Hoodman eyecups regular size and glasses size for Nikon square snap on eyepieces D750, D3500 Material:Regular eyecup - H-EYEN22S Designed to universally fit 4–10-inchHoodEYE eyecups link your eye to the camera by comfortably sealing out ambient light. HoodEYEs help reduce eye fatigue. You can easily upgrade your camera eyepiece in just a few seconds. The self locking mount keeps HoodEYE on your camera. Regular and Glasses HoodEYE eyecups rotate to accommodate right or left eyed shooters. If your camera body has an articulating LCD screen we suggest using the Flat Bottom Z Eyecup on your camera. All Eyecups are