Ideal for Wide Angle. No color cast. Black-rimmed glass. Superfine matte black frame. Includes front threads for filters or Hood. Each Filter has Individual Plastic Case. Filter #1 ND1000 10 Stop exposure correction. Filter #2 ND64 6 Stop exposure correction. Filter #3 ND8 3 Stop exposure correction. Double threaded metal frame for additional filters or Hood. Slim 3.6mm deep (not inc rear threads).