The ExpoDisc (77mm) eyepiece very light use

very light use

so as you might have guessed

but it's close enough

in addition to a rotating lens mount

with HLD and S-Log2 & 3 support

The ExpoDisc (77mm) eyepiece very light useThe ExpoDisc is a clip on (or hold in front of) diffuser designed to facilitate setting custom white balance. Rather than hauling around a gray card, or trying to find a plain white surface, or hoping that your camera guesses correctly, you can toss this in front of your lens and lock in an accurate custom white balance in seconds. Bonus: if you actually use this on a lens with a 77mm filter thread, it can replace your lenscap. Yeah, its just a fancy