STC ND64 6-stop ND Filter

The fixed 6-stop ND filter is for the ND1.8 or ND64 lightdensity. It allows only 1.56% of the light pass through the lens to extend theduration of exposure even under very bright environment to composite the motionblur effect. Also it can picture the vague dual image, the detail of the cloudin the sky and the peaceful reflection.

STC ND16 filter also fix the problem of color cast andtoo-heavy/thick problem of traditional ND16 filter with the technology of lightspectrum SLC(Simulative Linear Calibration). Using 1mm Germany Schott® B270optical glass and no-color cast coating to supply you a new experience oflong-exposure photography.

Feature：

1.1mm GermanSchott® B270 optical crown glass.

6-stop (ND64)Neutral Density Filter for long exposure photography.

It’s examinedby color cast test in the mode of 18%-grey WB, and got Zero-Color-Cast result.

The qualityof glass surface flatness is up to 20/40, which is suitable for high resolutioncamera and 600mm or more focal length telescope lens.

Double-sidedmultilayer NANO coating.

Waterproof,grease-proof and antistatic. It’s easy to keep the filter clean.

It’s made by5mm 6061 Aluminum rim, which is thin, light and avoiding vignetting as well.

Black-rimmedglass and matte black anodized frame design eliminates flare.

Teflon-coatedknurled thread is easy to install or remove from your lens, and available forlens cap and hood.

Specification：

Availablesize：37mm,43mm, 46mm, 49mm, 52mm, 55mm, 58mm, 67mm, 77mm, 82mm, 105mm, Clip Filter

Material：SCHOTT®B270 Optical Glass, Aluminum 6061 Rim

Thickness：1.1mmGlass, 2.5mm Rim

Transmission：1.56%

Reflectivity：<2％

Spectrum：400~700nm

Water DropContact Angle：> 110°

Origin：Taiwan

Passed：RoHS2.0