Formatt 4x4 HD Soft Edge ND.3 Graduated Filter

Formatt 4x4 HD Soft Edge ND.3 Graduated Filter Review

Formatt 4x4 HD Soft Edge ND.3 Graduated Filter Feature

Glass filters are made with Schott Water White Optical glass

All filters come with a 10 year guarantee against fading or color shift.

Formatt filters are 1mm thick and edge framed. All filters come with a individual wave deviation chart to certify quality.

Color and effects are digitally applied to a wafer thin mebrane layered between two pieces of ground glass. This process is called A.C.T(Absorption Cell Technology)

All Formatt filters are polished to within 2 microns of optical flatness

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