13-187 50 mm Dia. Hoya ND-25 Absorptive Neutral Density Filter; OD 0.7 600-1050nm
- Type
- Filter
- Subtype
- Neutral Density Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 50 mm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4517539549334455
- λ
- 900 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
13-187 50 mm Dia. Hoya ND-25 Absorptive Neutral Density Filter; OD 0.7 600-1050nm
The 13-187 is a 50 mm diameter Neutral Density Filter, manufactured by Hoya and sourced from Edmund Optics. This filter is designed to reduce the intensity of light without altering its color composition, making it an ideal tool for various optical applications.
The filter boasts an Optical Density (OD) of 0.7, which corresponds to a 50% transmission of light. This makes it suitable for moderate light reduction scenarios. The wavelength range for this filter is 600-1050nm, indicating its effectiveness in the near-infrared spectrum.
The 13-187 filter is made from UVFS Mal-1965 material, a detail that may be crucial for users who require specific material properties for their applications. It features a thin lens shape, with a diameter of 50mm and a thickness of 3.1mm, contributing to its compact design and ease of integration into optical systems.
The filter is coated on both sides with EDM 13-153, a coating that likely enhances its performance and durability. This filter's catalog number is 13-187, and it is currently in stock, according to the Edmund Optics website.
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