52mm ND2-ND400 (9 Stops) Variable ND Filter Neutral Density Adjustable Filter for Canon Nikon DSLR Cameras + Lens Cleaning Cloth
SKU: SKU0124
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hello , if you put a lens hood on 52mm filter, you need a 55mm lens hood
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You change the ND level by rotating the filter, but, per my earlier review (q.v.), I found it hard to know how much ND I was applying.