Includes Lens Cap & Storage Case Conventional Screw-in Filter.; 67mm Rear Thread. Front Thread is 72mm to Prevent Vignetting. 72mm Center Pinch Lens Cap is included; Optical Glass Filter with Aluminum Alloy Frame.; Scratch Resistant. Water & Oil-Repellent; Rotating Front Rim to Adjust the CPL Effects.; Lever Adjusts the ND Factor. 1.5 Stop to 8 Stops; Includes Lens Cap... Conventional Screw-in Filter. Kase Screw-In CPL III Filter (49mm) 1103060002 B&H Photo Video Optical Glass Lens Filter With Case Kase CPL/Vari ND Combo Screw-in Filter 1.5-8 Stop ND3 To ND236 Optical Nd Filter 55mm Lever Adjusts the ND Factor., 1., 5 Stop to 8 Stops Kase CPL/Vari ND Combo Screw-in Filter 1.5-8 Stop ND3 to ND236 Optical Glass (62mm Front Thread is 77mm to Prevent Vignetting. Rotating Front Rim to Adjust the CPL Effects.