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B+W
106 58mm MRC SH ND Graufilter 64x
Neutral density filter
This B+W Neutral Density Filter reduces light by six f-stops. With this filter and without changing the f-stop, a shutter speed of 1/60 s is changed to a full second, thus requiring the use of a tripod. Flowing water is rendered as flowing in the photo, and people moving in streets are dissolved in unsharpness or become invisible. Because of its higher transmission in the red beyond 660 nm, this filter brings a slightly warm tone to colour photographs. If this effect is undesirable, a B+W UV-/IR-Blocking Filter 486 in front of the neutral density filter (not behind it) remedies that situation. The filter factor is 64x.
B+W's Multi Resistant Coating is harder than glass so it protects filters from scratches (for instance when cleaning), and it is also water and dirt repellent, facilitating filter maintenance.