ExpoDisc 2.0 Professional White Balance Filter - 77mm Filter Size_40.5mm This results in considerably improved

This results in considerably improved image performance with high resolution and extremely impressive reproduction of details

and longer telephotos compress and flatten features

a locking mechanism to to allow the shutter to remain open

It features a vertical shutter release and extra camera controls for use while shooting in the vertical position

and has specialized coatings on the lens elements to reduce ghosting and flare

ExpoDisc 2.0 Professional White Balance Filter - 77mm Filter Size_40.5mm This results in considerably improvedExpoDisc, the original white balance filter gets even better. Set white balance, meter for exposure and dust map your sensor with the only calibrated and certified 18% transmission incident light metering filter.