420FAP550400 400 x 550 mm Acrylic Colour Longpass Filter 420nm
- Type
- Filter
- Subtype
- Longpass Filter
- Brand
- Knight Optical
Properties
- Shape
- Rectangular
- Cut Off Frequency
- 2200 nm
- Cut On Frequency
- 420 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.458448271212196
- λ
- 588 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
420FAP550400 400 x 550 mm Acrylic Colour Longpass Filter 420nm
The 420FAP550400 is a Longpass Filter, specifically designed for use in optical systems that require a 420nm cut-on wavelength. This filter is sourced from Knight Optical, a reputable vendor known for their high-quality optical components.
This rectangular filter measures 400mm in width and 550mm in length, making it suitable for larger optical systems. It has a thickness of 1mm, providing a balance between durability and ease of integration into your setup. The filter features a Thin Lens shape, which is often preferred for its minimal impact on the optical path.
The filter's coating is a crucial aspect of its performance. Both the front and back surfaces of the filter are coated with KNI 420FAP, a coating specifically designed for this type of filter. This coating ensures optimal performance for the filter's intended use.
The physical data of the filter is also noteworthy. The cut-on wavelength is 420nm, and the cut-off wavelength is 2200nm. This wide range makes the filter versatile in various applications.
The filter is currently in stock and available for purchase on Knight Optical's website. For more information, you can visit the provided weblink.
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