ORIGINAL ATHABASCA ARK II 75 x 100mm GND32 (1.5) Square Filter
ARK GND32 filter uses German Schott glass, with multi-ultrathin noble metal coating, it has the advantage of low reflection, and low color deviation. Also it adopts double-layer water repellent coating, it is very convenient at different occasions.
The advantage of the square GND (Gradual Neutral Density) filter: GND filter can be adjusted from up to down, but round GND filter is a fixed horizontal line which can’t be adjusted. In comparison, you can get much better image effect with square filter.
Material: German Schott optical glass Coating: Water repellent, Stain resistant, Scratch resistant, Nano coating, Double side anti-reflective film Technology: Low reflection and light reducing layer Thickness: 2mm Installation methods: plug-in filter Size: 75 X 100mm