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All Products / Optics / Optical Filters / Neutral Density (ND) Filters / Continuously Variable Apodizing Filters
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0.04 - 1.0 OD, 50mm, Apodizing Filter Reverse Bull's Eye

Reverse Bullseye Filter

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Stock #64-391 3-4 days
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€379,00
Qty 1-10
€379,00
Qty 11+
€340,20
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Diameter (mm):
50.00 +0.00/-0.20
Optical Density OD (Average):
0.04 - 1.0
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
B270
Type of Filter:
Reverse Bull's Eye
Coating:
Variable
Surface Quality:
60-40
Thickness (mm):
1.50
Thickness Tolerance (mm):
±0.10
Type:
Apodizing Filter
Linearity (%):
±5 of Optical Density
Wavelength Range (nm):
400 - 700

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
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Product Family Description

  • Bull’s Eye Filter Type Decreases Radially from Center
  • Reverse Bull’s Eye Type Increases Radially from Center
  • Ideal for Eliminating Intensity Variations in Optical Systems

Continuously Variable Apodizing Filters are used to create an even illumination profile in an optical system. Bull’s Eye type filters feature a high optical density in the center which decreases continuously to an uncoated edge. The filters are commonly used to flatten the intensity profile of Gaussian beams. Continuously Variable Apodizing Filters are available in a 25 or 50mm diameter, in either a Bull’s Eyes or Reverse Bull’s Eye. The Reverse Bull’s Eye type features a high optical density coating on the filter’s edge which decreases continuously to an uncoated center.  

Our standard filters are available in 25 and 50mm diameters, with end densities of 1.0 and 2.0. For different substrates, sizes, or intensity profiles, please contact our Applications Engineering Department.