Feature 1 With this filter, you gain more space to control the aperture and shutter, and effectively prevent overexposure. 2 The neutral density can be adjusted from ND2 to ND400, reducing the amount of colorless light reaching the film and controlling each lighting environment. 3 ND2 is to reduce 1 level of exposure,ND4 is to reduce 2 levels of exposure, the number after ND is the ability of the ND mirror to block light; Suitable for dynamic screens, waterfalls, streams, waves, etc. 4 Suitable for Canon/Nikon/SONY/Pentax/Olympus/Fuji camera lens. 5 When the lens focal length is in the ultrawide angle range and the aperture value is F2.8, the filter is adjusted to the high density, and a relatively obvious ''+''spot or a slight color shift may occur.To assure that the image is not disturbed, we suggest that you lower the density value of the filter at this point until the disturbing light spot disappears, and then shoot normally.Condition: 100% Brand NewItem Type: FilterMaterial: Aluminum Alloy + Optical GlassColor: As Pictures Shown Applicable Diameter: For Lens with 40.5 mm/ 1.6 in interface diameter Package List1 x Filter1 x Storage BoxNote1. Please allow 1‑3cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.