Eyecup equivalent to Nikon DK-20, also known as an eyepiece. This is a compatible product, not a genuine one, offering great value and ease of use. I have multiple in stock, so I will edit the listing if you comment with the quantity you need. 【Compatible Models】 Fits the following single-lens reflex cameras, etc. Compatibility details follow those of the Nikon DK-20. D40 D40X D50 D60 D70 D70S D3000 D3100 D3200 D5100 D5200 F55 F55D F65 F65D F75 F75D F80 F80D