Product Review
This white balance filter is individually assembled, calibrated and certified for neutrality in the visible spectrum, and for 18% light transmission. It allows digital photographers to quickly and easily set an accurate custom white balance.



![Lightdow 12 x 12 Inch (30 x 30 cm) White Balance 18% Gray Reference Reflector Grey Card with Carry Bag [Folded Version]](https://m.media-amazon.com/images/I/31GeGGNhEvL._SL75_.jpg)







