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SKU
104192
MPN
67-ND8/PL

PolarPro QuartzLine Filter 67mm ND8/PL (3-Stop)

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  • 8x Filter Factor, +3 Stops
  • Darkens Entire Image
  • Reduce Shutter Speeds, Widen Apertures
  • Greater Control Over Exposure Settings

The PolarPro QuartzLine Filter 67mm ND8/PL (3-Stop) is made of 99.9% pure fused quartz for unrivaled durability and optical clarity. When in use, this filter's 8x filter factor provides a 3-stop exposure reduction. Its 0.9 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally required. The over-engineered brass filter frames thread on smoothly and are built to withstand your most rugged adventures.

Simultaneously, this filter can help to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. The light from the sun naturally becomes partially polarized due to reflecting off electrons in air molecules, causing the light to scatter into what appears as haze. A polarizing filter arranges and filters this directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of this light. This results in a noticeable reduction of glare and reflections from non-metallic surfaces and an increase in the saturation of skies and foliage.

A circular polarizer only differs from a linear polarizer in that it contains a quarter wave plane in addition to the linear polarizing filter. The addition of this quarter wave plane is to circularly polarize the linearly polarized light for the use of auto focus and exposure functions. Due to how the light is broken down and filtered with a linear polarizer, auto focus and exposure accuracy become skewed during use. When the light becomes circularly polarized, it permits the use of these functions.

This filter is constructed from quartz glass for enhanced durability. To prevent internal ghosting and reflections, 16 layers of anti-reflection coatings offer scratch protection to the filter substrate while promoting clarity and color fidelity. The coatings associated with the PolarPro 67mm ND8 QuartzLine Solid Neutral Density 0.9 and Circular Polarizer Filter also result in an improved beading effect when in contact with water or oil, allowing for more efficient cleaning.

The quartz glass is set within a brass filter ring with side knurlings that can be rotated in order to adjust the intensity of the polarization effect. Together, the brass material and knurlings prevent jamming and provide additional strength, as well as a textured grip when mounting or removing this filter from a lens.


Fused Quartz Glass
• Low refractive index (light bending) of 1.456
• Low surface reflectivity
• Stable in extreme temperatures/environments

Precision Coatings
• Optical ND - Achieves a near perfect target transmission while maintaining a hyper-neutral color profile
• Hydrophobic - Repels oils and water for easy cleaning/care
• Scratch-Resistant - Increases surface hardness for an extremely durable, scratch-resistant exterior

Brass Frame Construction
• Hand-crafted 4 part frame
• Threads on smoother than aluminum
• More dense than aluminum for extended durability
• Matte black interior coating eliminates reflections

In the Box
  • PolarPro 67mm ND8 QuartzLine Solid Neutral Density 0.9 and Circular Polarizer Filter (3-Stop)
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More Information
SKU104192
BrandsPolarPro
MPN67-ND8/PL
Product ConditonNew
Specifications
Filter Type Circular Polarizer Combination
Filter Factor 8 (3 Stop)
Shape Circle
Circular Size 67 mm
Rotating Yes
Front Accessory Thread / Bayonet 67 mm
Filter Material Glass
Coatings Multi-Coating
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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