Formatt Hitech 150x170mm 6x6.69 inch Neutral Density 0.3 Filter for Use with Lee 150mm Holder Systems

• This is a specialty filter size that fits the Lee 150mm holder system
• Using a holder system allows you to purchase a single filter is usable on multiple lenses.
• Made from the highest quality optical resin available, with an index of refraction nearly identical to the finest optical glass.
• High scratch resistance, low material fatigue, and chamfered corners to resist breakage so the filter will provide years of service.
• Made in the UK using the world’s most advanced, computer-controlled filter manufacturing technologies.

Description Product Description Neutral density (or ND) filters produce a grey neutral tone and are used in photography to reduce light, enabling more control over exposure and depth of field without affecting color contrast. NDs are also available in blenders (sometimes called attenuators). These are similar to graduated filters but have no clear area, and there is a gradual transitions from the bottom of the filter to the top from a light density to heavier. This 150mm filter is usable with Lee 150mm holders or any similar 150mm holder. The 0.3 filter reduces light by 1 Stop. This 150mm filter is usable with Lee 150mm holder systems or any similar 150mm holder. The filter is 150mm Wide but 170mm long to enable it to be easily moved up and down in the holder. Box Contains 1 x HT170NDB0.3 150x170MM (6-Inchx6.69-Inch) Neutral Density 0.3 Filter for Use with Lee 150MM Holder Systems