NEEWER 2 in 1 67mm Variable ND & CPL Filter, ND2-ND32 & Circular polariser

[Variable ND & CPL Filter] After adjusting the ND filter and then rotating the frame, you can realize the functions of ND filter and CPL filter simultaneously. This 2-in-1 filter kit allows you to shoot in bright lighting conditions to shoot motion blur images. Reduces glare and glare from shiny objects such as water or glass. Variable neutral density filter reduces light from 1 to 5 stops.
[No Dark Cross Shadow]To solve the known problem of vignetting with variable ND filters when used on wide-angle lenses, NEEWER filter set uses self-locking technology to ensure avoiding dark cross shadow or vignetting when shooting with a wide-angle lens.
[HD Optical Glass with Durable Multiple Coatings] With the high-quality HD optical glass and with 30 layers of nano coatings on both sides of the filters, the reflection can reach less than 0.1% to reduce glare and ghost images. Helps protect your filter from water, oil, dust and scratches.
[Aircraft Grade Aluminum Alloy Frame] Made of