MRC CPL filter means multi-coated CPL filter, made of AGC optical glass and aviation aluminum. Eliminates unwanted reflections. Reduce glare from reflected surfaces. Increase the vibrancy of images. Prevents dust, oil, fingerprint contact lenses and protects your lens directly. Compatible with 62mm diameter filter size. Filter Thickness: 4.9mm Box contents: 1 x 67 mm MRC-CPL