Nikon Soft Focus 1 filter reduces contrast and creates a moderate softness and beautiful, blurred contours while preserving a sharp rendition of the core subject. Blemishes and other imperfections of a subject may be minimized with this filter. The filter does not give the departure from reality appearance. The effect of the filter vary depending on lighting conditions and lens focal length. Shooting numerous test shots is recommended. This filter has a 52mm thread.