ALBUM EQ SHOP › Lee Filters 21" x 24" Sheet - 207 Full CTO + .3ND Image 1 of 1 Lee Filters 21" x 24" Sheet - 207 Full CTO + .3ND $12.95 Converts daylight (6500K) to tungsten (3200K) and reduces light 1 stop. Add To Cart Added! Converts daylight (6500K) to tungsten (3200K) and reduces light 1 stop.