Brilliantly creative and eminently practical, Marumi's variable neutral density filters are a dozen filters in one. Simply twist one of the polarised elements to smoothly darken the filter and reduce light levels without changing the colour balance. The filter is variable between a subtle ND2.5 just over a stop and an extremely dark ND500 approximately 9 stops.
Price: £129.00 from Wex Photographic
This ND16 filter reduces light by 4 stops allowing 116th of the light to pass though while maintaining a true colour balance. The thin frame is designed to reduce vignetting.
This ND32 filter reduces light by 5 stops allowing 132rd of the light to pass though while maintaining a true colour balance. The thin frame is designed to reduce vignetting.
This ND64 filter reduces light by 6 stops allowing 164th of the light to pass though while maintaining a true colour balance. The thin frame is designed to reduce vignetting.
