The Lally CAP White Balance Cap from Lally Photography is a white balancing tool that stretches over the front of almost any lens (with filter size up to 82mm). The Lally Cap provides a way to accurately set the camera's custom white balance setting with a minimum of fuss and hassle. The Lally Cap's one-size-fits-all design and its ability to be rolled up for easy storage makes it a no-brainer accessory for studio or location shooting.
Accurate method to set white balance regardless of lighting conditions
Captures color correctly as the photo is taken
Eliminates color correction work in image editors
Applicable for RAW and JPEG
Evaluates scene-specific light
Convenient and easy to use
Quick to place on and take off lenses
Folds up and stores in your pocket or camera bag
One size fits most DSLR lenses
Waterproof and indestructible
Leave on camera to protect lens front surface