B+W Filter 550 Orange 60 x 0.75 mm MRC. Colors that appear yellow, red and orange to the human eye, easily pass through the B+W Orange MRC Filter while blue, green and violet tones are being reduced. This filter nicely increase contrast and is therefore a popular filter for black and white photography. Shooting in black and white, blue, green and violet tones turn darker than they would without a filter and yellow, red and orange are rendered in a brighter grey tone. B+W Orange filter gives a da