Fotodiox Pro 145mm Neutral Density 16 (4-Stop) Filter - Pro1 Multi-Coated ND16 Filter (works with WonderPana 145 & 66 Systems)
The Fotodiox Pro ND16 Filter is a true neutral density filter designed to darken the image by 4 stops.  It features an even, neutral gray color for creative photography applications. ND16 filter offers a 4 stop EV value which allows you to slow down the shutter speed or use a larger aperture in bright light conditions. Neutral Density filters have their unique applications and offer the possibility of achieving otherwise impossible results. ND filters reduces the amount of light reaching the film/CCD. This filter is made specifically for the WonderPana 145 & WonderPana 66 Systems.   The filter will not fit directly on the lens, a WonderPana filter adapter is required for use.