89-831 57 mm Dia. Mounted Dark Red Machine Vision Imaging Filter; t=1.75 mm 660nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 57 mm
- Cut Off Frequency
- 693 nm
- Cut On Frequency
- 627 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.456268423320019
- λ
- 660 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
89-831 57 mm Dia. Mounted Dark Red Machine Vision Imaging Filter; t=1.75 mm 660nm
The 89-831 is a Dark Red Bandpass Filter, specifically designed for machine vision imaging applications. Sourced from the renowned optical vendor, Edmund Optics, this filter boasts a catalog number 89-831 and is readily available for purchase through their official website.
This filter is characterized by its circular shape, with a diameter of 57 mm and a thickness of 1.75 mm, making it a suitable choice for various optical systems. The filter is constructed from UVFS Mal-1965 material, ensuring durability and high-quality performance.
The 89-831 filter is designed to pass wavelengths of 660 nm, with a cut-on wavelength of 627 nm and a cut-off wavelength of 693 nm. This specificity in wavelength allows for precise control over the light spectrum, enhancing the image quality in machine vision applications.
The filter is coated with EDM 89-824 on both the front and back surfaces, further enhancing its performance and durability. The shape of the filter is thin lens, which is ideal for applications that require minimal interference with the light path.