Tiffen 72mm 82B Filter

Size:72mm Product description The Tiffen 72mm 82B Light Balancing Filter helps to increase the color temperature by 300K in order to cool the image slightly in order to match the color quality of illumination. When using an 82B filter, you will be able to attain 3200K balance when the prevailing light source is 2900K. The cooling effect of this filter requires a 0.6-stop increase in exposure for normal results. Amazon.com Reduces unnatural red tones in early morning or late afternoon light.