【52mm ND Filter】ND2-400 Filter reduce the light from 1 to 9 f-stops.Works great for outside bright sunlight and excellent to capture long exposure photos. 【Well Built】GREEN.L ND filter made with professional HD optical glass, instead of optical resin. Tough aviation aluminum frame ensuring durability. 【Super Slim】Variable ND filter frame only 0.26inch deep avoid vignetting.Lightweight and easy to carry. 【Compatible with 52mm lenses】Works with 52mm filter thread.Please verify your camera's lens thread size.For example: Ø52.For this 52mm ND filter，the lens cap/hood should be 55mm. 【Note】 The Variable ND filter is not recommended for use with wide-angle and telephoto lenses.Do not rotate past the MAX marking on the rim to avoid unwanted effects. From GREEN.L, Focus on Camera Filters for 27 years
With first-class production equipment,the reliable quality and creative design.
OEM for famous filter brands, customers all over the world more than hundred countries
We provide high-quality and low-cost products for you to leave wonderful moments

Perfect Design
Changing the ND grade was simple,eplaces having to carry around a bunch of ND filters.
Simply rotate the filter ring, transmittance varies from 50% to 0.25%.The MIN denotes ND2 (1 f-stop or 50% light transmittance) and the MAX denotes ND400 (9 f-stops or 0.25% light transmittance).

Unrivaled Quality
Designed and built using professional HD optical glass(Light transmittance is 99% )and T6061 aerospace aluminum alloy

Note
Rotating at the extreme you will see a dark X appear. This is a normal phenomenon,please lower down the density value gradually and reduce the aperture, until the facula disappeared.

Package Included:
1x 52mm Variable ND2-400 Filter
1x Lens Protective Pouch