Please note: The M10 Variable ND requires the M10 Circular Polarizer to function properly. The M10 Circular Polarizer is included with every M10 100mm Filter Kit, and a combination ND + Circular Polarizer filter is available separately.
Increase the versatility of your M10 filter holder with the M10 Insert Variable ND Filter! The easiest and most innovative way to use a vari ND filter with a 100mm filter system.
The M10 Variable ND Filter works in combination with the M10 Drop-in Circular Polarizer (included with every M10 Filter Holder kit). If you already own the M10 Filter Holder Kit all you need is the M10 Variable ND filter and you will be ready to go! Simply insert the M10 Variable ND filter into the first slot of the filter holder and rotate the M10 Circular Polarizer to adjust the strength of the vari ND!
The M10 Circular Polarizer is included with every M10 Filter Holder Kit, but is also available separately as a combination polarizer + ND filter. 2filter recommends the following combinations for different ND range capabilities: