Good filter kit for photographer lovers, lightweight and portable. Made of high quality optical glass material, sturdy, durable and long service life. Simple design, easy for installation and operation, convenient to use. CPL filter, generally used in landscape photography, eliminate unnecessary polarized light, make the whole picture more clear and transparent feeling. ND filter, more free to control aperture and shutter, bring more exposure method and creation space for photography creation, effective prevent overexposure.