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EF patch

Function: improve the comfort of the viewfinder to prevent interference light enter the dilute contrast.

Characteristic
Made of hollow rubber， even in the eyes of a soft touch.
Provide a cushion effect for the viewfinder periphery， especially suitable for users with glasses

The eye is mainly used to prevent the long time exposure time B gate line from the eye into small parts， must take pictures; also can prevent the camera without scratching the eye; to prevent debris into the viewfinder camera store.

Using method:

Installed in the eyepiece lateral， can prevent the stray light incident to clear view.

When the first rubber eyecup removed， and then inserted into the card slot can be external viewfinder goggles.