【Import AGC Optical Glass 】The filters in this kit made by import Japanese optical glass , both side with nanometer coatings (total 28 layer), waterproof , scratch resistant, oil proof.
【ND Filters Function 】ND1000 filter for expend the expousre time 10-stops to achieve to slow shutter to be used to record movement in subjects such as waterfalls, providing a silky smooth affect to flowing water. The filter frame avoids filter for accidentally fall damage(≤1.5m).
【CPL Filters Function 】Allow you to remove reflections from non-metallic surfaces, such as water and glasss, also in color and contrast enhancement , especially for the blue sky and white clouds.
【Original Design 】Filter holder can holder both cpl and nd1000 filters, ultra slim frame and large diameter ensures no vignetting on wide-angle lens, rear cpl design for convenient install and remove.