Neutral Density Fisheye Filters reduce the amount of light entering the lens. Hence allowing for slower shutter speeds for motion blur and larger apertures for controlling depth of field. 

0.9 Filter is a solid ND filter that will restrict the amount of light entering the lens by 3 exposure stops (8x filter factor). 

No vignetting (100% unobstructed field of view)
Fits dslr lenses 3.5 inches (88mm) in diameter or less
Helps protect the surface of your lens
Military grade hard coating for scratch resistance 
Hydrophobic coating for easier cleanability and smudge resistance

*Item includes: 1 microfiber carrying pouch and 1 set of extra shock bands.
* Free shipping in Continental USA.
*Ships USPS from San Francisco, CA ($15 international flat rate shipping. International taxes and duties fees may apply).

 
Patent Pending