Hahnel HL-511 7.4v 1500mAh - Canon BP-511 Replacement Battery Compact Flash the ND 64 filter provides

the ND 64 filter provides creative control while maintaining exceptional image quality

Lightweight and compact

The filter is multi-coated on both side of the glass to reduce the chance of reflections or flare that could ruin a good shot

The Hoya 77mm HMC NDx400 Filter reduces light entering the lens by 9 stops to less than 1/500th of its original intensity

and moisture from damaging the glass

Hahnel HL-511 7.4v 1500mAh - Canon BP-511 Replacement Battery Compact Flash the ND 64 filter providesThe Hahnel HL 511 is equivalent to the Canon BP 511 and BP 511A battery. Only the most modern battery technology is used in Hhnel lithium ion batteries.