Haida Insert Variable ND Filter for M10 Holder System

After much research, Haida concludes that it seems many photographers are really frustrated with changing the Filter holders to the Variable ND. This means they need screw off the adapter ring of the filter holder and then screw on the Variable ND. The Haida Insert Variable ND Filter for M10 Holder System combines with the Haida M10 Drop-in CPL, making the holder system become the Variable ND filter easily.

Size: 100*100mm
Thickness: 2mm
Material: K9 Optical Glass
Stops: 1-4 stops, 3-5 stops, 6-9 stops

Why you need it:. New function for your M10 filter holder system
Combine with the Haida M10 Drop-in CPL, makes the holder system become the Variable ND filter easily.

. Matches all your needs with different stops
Combine with the Haida M10 Drop-in CPL
Suggestion Stops: 1-4 stops
(ND2-ND16)

Combine with the Haida M10 Drop-in CPL+ND0.9
Suggestion Stops: 3-5 stops
(ND8-ND32)

Combine with the Haida M10 Drop-in CPL+ND1.8
Suggestion Stops: 6-9 stops
(ND64-ND500)

. Different size of adapter ring for your choice
Combine with the M10 filter holder system, it can use for different lenses with different size of adapter ring
Available size: 37mm-82mm