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Nanjing Co-Energy Optical Crystal Co., Ltd.

Reflective Neutral Density (Nd) Filters, Nd Filters, Filters manufacturer / supplier in China, offering Reflective Neutral Density (ND) Filters, Infrared (IR) Equilateral Prisms, IPL Filters and so on.

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Supplier Homepage Product Filters Reflective Neutral Density (ND) Filters

Reflective Neutral Density (ND) Filters

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Production Capacity: 50, 000PCS/Month
Transport Package: Individual Package
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: custom-made
  • Specification: custom made
  • HS Code: 9001909090
  • Trademark: COE
  • Origin: Jiangsu China
Product Description
These filters have constant density values across the surface. The transmission to reflection ratio varies with density selection. In stacks, the total density is the sum of each filter's density. ND filters are used primarily for the attenuation of light over a wide spectral range. They are often used in laser and photometer applications, where excessive power can cause damage or inaccurate results. Orient mirrored side toward source at 0® Angle of incidence.
Optical Density exhibits an additive relationship; For example, stacking filters with OD values of 0.6 and 0.9 yields a resultant density of 1.5. The optical density is related to the transmission by the following equation:
T = 10-OD X 100 = Percent Transmission.
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