The filter can be installed in front of the photosensitive element (CMOS) of the camera body without affecting the operation and use of the photosensitive element, lens or adapter mount.

Features:
1. Protect the light-reducing element and act as a protective mirror for CMOS.
2. Small size, easy to carry, weight only 3.3g, easy to deal with various scenarios.
3. Using high-definition imaging B270 optical glass, the surface is coated with a waterproof and oil-proof film.

Specification:
Material: B270 optical glass/6063 aluminum alloy
Weight: 3.3g
Application: Sony mirrorless digital camera series (A9/A9 II/A7R/A7R II/A7R III/A7R IV/A7/A7 II/A7 III/A7S/A7S II)

Package list:
Built-in filter*1
Shading cotton + finger cots + removal tool
installation instruction
Plastic inner box
Packing box