ProMaster 72mm Variable ND HGX Filter

ProMaster Digital HGX filters are the most advanced optical filters available today for digital photography featuring: 

• Next Generation Digital Anti-Reflection Multi Coating – Specially formulated to minimize internal reflections created by CCD and CMOS sensors in a digital SLR.
• REPELLAMAX™ Element Resistant Coating – This EXCLUSIVE ProMaster coating repels moisture, fingerprints, dust, dirt, and grime to ensure the sharpest images possible
• Hardened Optical Glass – Ultra hardened optical glass resists surface scratching and stands up to the most intensive use.
• Low Profile Anti-Reflective Frame – Ultra thin low profile frame helps prevent vignetting on super wide digital format lenses. The satin-like smooth finish helps to minimize reflected light.
• Black Rimmed Glass – The outer rim of the filter glass is treated with a special black-ink.