While many reviews look at how sharp a lens can be, for this review, we’ll be looking at a filter that does the opposite. Haida's NanoPro Mist filter is actually designed to add a soft glow, while still keeping fine details. Now, before you think about the JCPenney portrait studio shots of the past decades, this filter is subtler. Haida’s NanoPro Mist filter is instead designed to diffuse the highlights and soften the overall contrast, bringing the filmic characteristic of halation to digital. Does it live up to the task?