B01LXAD6S4 ProMaster 82mm Digital HGX Prime Protection Filter (6627)

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Repellamax II anti-static barrier resists dust, dirt, oil, water, and fingerprints.
HGX Prime filters are made from ultra hardened glass with scratch resistant coatings.
The number of coatings required varies depending on the specific style of filter being created. HGX Prime filters are crafted with between 18-22 layers of optical coatings and use black rimmed glass to cleanly pass light to the image sensor.