690AF20 6.35 mm Dia. Surface Coating; Bandpass Filter Surface Coating
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Omega Optical
Properties
- Shape
- Circular
- Diameter
- 6.35 mm
- Cut Off Frequency
- 700 nm
- Cut On Frequency
- 680 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4555240712100141
- λ
- 690 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
690AF20 6.35 mm Dia. Surface Coating; Bandpass Filter Surface Coating
The 690AF20 is a high-quality Bandpass Filter, sourced from the reputable vendor, Omega Optical. This filter is designed with a circular base shape, making it compatible with a wide range of optical systems. The filter boasts a diameter of 6.35 mm and a thickness of 4.3 mm, providing a robust and stable platform for your optical needs.
The filter is made from UVFS MAL-1965, a material known for its optical clarity and durability. The 690AF20 is specifically designed to filter light at a central wavelength of 690 nm. It has a cut-on wavelength of 680 nm and a cut-off wavelength of 700 nm, ensuring precise light filtration.
The 690AF20 is coated with OME 690AF20 on both the front and back surfaces. This coating enhances the filter's performance and durability, providing a reliable solution for your optical needs. The filter's shape is that of a Thin Lens, further expanding its compatibility with various optical systems.
For more information and to check the current stock status, you can visit the product page at https://www.omegafilters.com/product/4183.
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