100% compatible with Canon Eyecup EB Designed to provide cushioning around the camera's eyepiece Block out unwanted light from your viewfinder It is especially useful to eyeglass wearers The Nikon DK-21 Rubber Eyecup is a soft and comfortable eyepiece shield that minimises the amount of stray light that enters the viewfinder, aiding vision when shooting. The Nikon DK-23 is compatible with the Nikon D300/300s

• Elegant design, excellent quality
• Features a soft outer edge rubber cushion
• Two small clips on the back secures the eyepiece onto your camera
• For a more comfortable fit, replace the original one with this rubber eyecup
• Attaches to the viewfinder eyepiece minimizing extraneous light and vision fatigue

Elegant design, excellent qualityTheera