Tiffen 95mm Coarse Thread 81B Light Balancing Filter 66-77mm Tiffen's ColorCore glass is sealed

Tiffen's ColorCore glass is sealed between two optical glass sheets

resulting in a more realistic look while allowing for the sky or other bright areas to take on the color of the density

Construction Material: Aluminum

When compared to the standard Fog filter

and with two reversible memory foam pads

Tiffen 95mm Coarse Thread 81B Light Balancing Filter 66-77mm Tiffen's ColorCore glass is sealedTiffen 81B Overview The Tiffen 95mm Coarse Thread 81B Light Balancing Filter helps to decrease the color temperature by 300K in order to warm the image slightly in order to match the color quality of illumination. When using an 81B filter, you will be able to attain 3200K balance when the prevailing light source is 3500K. The warming effect of this filter requires a 0. 3 stop increase in exposure for normal results. This filter is made using ColorCore