B + W 106 Neutral Density Filter (neutral density filter) 64x +6 aperture 58mm tempered - Made in Germany by Schneider Kreuznach (Electronics)
6 f-stops is already quite a darkening. I suppose the filter when I want with wide-open aperture, ie shallow depth of field, shoot in bright sunlight. Camera is the Lumix GH3 with 12-35mm lens 2.8. Also for special effects is a filter used. If it is
