Nikon DK-21 Camera Viewfinder Eyecup*2+Hot Shoe Level*2+Vacuum Cleaning Cloth*1 for Nikon D7000, D750, D610, D600, D300, D200, D100, D90, D80, D70, D70s

SKU: SKU.2233

Q
What is the function of the viewfinder eyecup?
Answer Question
A
Prevents light from leaking in from the sides of the viewfinder, providing a darker field of view and a more focused view of the image in the viewfinder.