Cokin coef. x 2 Orange (85B) A30 square filter

Orange Conversion filters help convert daylight to tungsten balanced film. The 85B filter is a dark amber filter that corrects 5500K light to 3200K. This is helpful When you are using tungsten balanced film in daylight settings. It is a critical tool for film photographers because film has a fixed light balance that should be corrected in-camera for the most accurate results.