EXPODISC - 77mm SIZE
We introduced the first ExpoDisc white balance filter in 2004, and almost 20 years later, it is still the best in the market.  Even so, we're always looking for ways to make it better. The new ExpoDisc v3 is our latest effort at making the fastest, most accurate white balance tool we can.
 
Improved Wide Spectrum White Balance
The new diffusion materials we incorporated into ExpoDisc v3 perform better across the visible spectrum (380-700nm), providing better white balance results when shooting in cool open shade or very warm light.
The improved performance of the new materials extends beyo