TRUE ND is a clear glass coated with metallic alloy film on both sides. Manufactured under strict quality control, TRUE ND will offer you accurate transmittance and true neutrality. Troublesome infrared will also be filtered out by its flat spectral curve up to 750nm. TRUE ND is simply how ND filters are supposed to be.
Densities: .3, .6, .9, 1.2, 1.5, 1.8, 2.1
