has variable neutral density (nd) filter has an approximate range of 2(nd 0.6) to 8(nd 2.4)stops. It’s in pristine condition and comes with its original box, padded pouch and instruction leaflet. It has a rotating ring to choose different nd degrees and eliminates the need to purchase several nd filters. You can control exposure and speed for special photography effects (eg water blur) and it also provides a fast, easy to use method for controlling speed and light in video work (where slower shutter speeds are desired).19
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