Spudz Helps Keep Lens Clean and Also, Can Help You Meter Correctly

Spudz is an amazing product. The handy design ensures that you will always have the lens cleaning cloth when you need it and that it stays clean as well. And here is the best part, the cleaning cloth is 18% gray color. So now you can calibrate the white balance easily and accurately. Don't worry about carrying those big paper cards. The cloth in its convenient pouch is much easier to carry. This 2-in-1 product is a must have item for every kit bag.

Buy them on Amazon.com: Alpine Innovations Spudz, the most Convenient 18% Gray Micro-Fiber Cleaning Cloth, Extra Large, 10" x 10".