The 442 Half Color Temperature Straw Filter from LEE Filters is uniform in color and with a mired shift value of +81, can be applied over a light fixture to purposely create a warm cast over a scene. This filter is constructed from polyester that is heat resistant to 356°F and is delivered as a 48" x 25' roll on a 1" core.
This filter is useful for converting light sources with a color temperature of 6500K to 4300K. Under 3200K tungsten light, the 442 Half Color Temperature Straw Filter exhibits a 0.13 density and transmits light at 73.8%. Under 6774K Source C light, it exhibits a 0.15 density and transmits light at 71.2%.