1. It is made of hollow rubber for soft eye contact. You can even view it with your glasses on. 2. Spare Nikon eyecup. 3. This eyecup provides cushioning when using the viewfinder. 4. Also helps to shield stray light. 5. Using ABS + Silicone material 6. Suitable for Nikon D100 / D200 / D90 / D80 / D70S / D70 / D60
