Universal Camera 18
Made of environmental plastic. Include black white grey card each color with one card. Suitabld for hand-held meter TTL DSLR paraxial camera with photometry. Standard 18 ° gray card can balance the complex occasion into 18% balaced grey through the light meter track the reflected light gray card obtain accurate exposure value. Features: adjust the white balance metering. Manual: Use camera gray card make it fill whole lens measure light; Sets the camera's white balance to custom selected gray card images. After selected began to take pictures