How to use white balance card in SLR photography?

1, find the white balance in the camera, AWB.

2. Find the white balance in the camera, AWB.

3. Place the gray card next to the product, and select the focusing mode of the lens as manual focusing, MF.

4. Fill the viewfinder with the gray surface of the gray card and shoot the whole gray card.

5. Select Custom White Balance from the menu.

6. Select the gray card photo you just took and confirm it.

7. Finally, enter the white balance again and select the custom white balance.