BLUE B12 Blue filters remove reds and have a cooling effect. The B12 neutralizes the red cast produced by photofloods in indoor shooting with daylight film. You can use any blue filter and under-expose to create eerie night scenes.

• Filter Thread (mm): 52mm
• Brand: Nikon
• Effect: This dark blue filter converts color by correcting artificial light. It corrects light by 3400 degrees K (for example, photofloors or incandescent lighting) to daylight color. This helps to reduce yellow-orange color tones
• Filter Factor: 3 (+1.5 stops)