Fotga 49mm ND2 to ND400 Slim Fader Variable Adjustable ND Neutral Density Filter

Size:49mm Feature: Neutral density can be adjusted from ND2 to ND400.It is easy to creat different neutral density by rotating the ring fron 2-8 stopsl. Apply slow shutter speed under strong sunlight exposure. Large aperture is available to creat depth of field easily. Suitable for dynamic screen,waterfalls,streams,waves,etc. Index marks on the edge of filter for exace adjustment. Specification: Back thread ( to Lens):49mm Front thread (to filters):52mm (Larger front thread to avoid vignetting) Package includes: 1 X Fotga 49mm fader filter (in original package) 1 X Fotga Cleaning Cloth