ARK II GND32(1.5)
(Reduced exposure grade:  5 stops  Material: Optical glass)

Athabasca  ARK II GND32

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

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 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.