LEE Filters 298 0.15ND 1/2-Stop Neutral Density Lighting Filter Roll, 2" Core, 48" x 1' (Sold by the foot) Reduces light 1/2 stop, without changing color. Expertly crafted to meet the strict demands of film and TV production, our top-notch technical filters eliminate infrared pollution and maintain color accuracy. Features: Reduces light output Neutral density filter Heat resistant to 356°F Polyester construction Technical: 3200K Tungsten71.1% Light Transmission0.15 Density 6774K Daylight (Source C)69.3% Light Transmission0.16 Density Size: Roll x Custom Length (W: 48" x L: 1' / W: 122 cm x L: 0.3m) Neutral Density Lighting Filters: 298 0.15ND Reduces light 1/2 stop, without changing color209 0.3ND Reduces light 1 stop, without changing color210 0.6ND Reduces light 2 stops, without changing color211 0.9ND Reduces light 3 stops, without changing color299 1.2ND Reduces light 4 stops, without changing color In The Box: LEE Filters 298 0.15ND 1/2-Stop Neutral Density Lighting Filter Roll, 2" Core, 48" x 1' (Sold by the foot) Note: Each roll is cut to order in 1-foot (12") increments. When placing an order, indicate the desired length in feet by selecting the appropriate quantity. Example: Quantity of 4 will be a 48" x 4' cut.