NEEWER 18% Gray / White Card Set Step-up Ring Provides extra power for your

Provides extra power for your digital video camera/camcorder to capture perfect moments

4V 3200mAh

or open the aperture for proper exposure

2’ /128cm

NEEWER 18% Gray / White Card Set Step-up Ring Provides extra power for yourDescription An excellent picture is produced with precise exposure. If the light in the scene is excessively bright or dark, exposure deviation might be produced. Gray card can balance all mixed lights to be 18% neutral gray. With a photometer, youll get a precise exposure value by means of recording the light that was reflected from the grey card. (it can measure the exposure value through the exposure photometer, the TTL SLR camera, the digital