KBX028AR.18 12.7 mm Dia. x 25.4 mm FL; IR coated; Double-Convex Lens IR 1000-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- MKS/Newport
Properties
- Shape
- Circular
- Diameter
- 12.7 mm
- EFL
- 25.4 mm
- BFL
- 23.83 mm
- R1
- 25.44 mm
- R2
- -25.44 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167401204613524
- λ
- 589 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
KBX028AR.18 12.7 mm Dia. x 25.4 mm FL; IR coated; Double-Convex Lens IR 1000-1550nm
This is a high-quality double-convex lens, sourced from the reputable vendor MKS/Newport. The lens, identified as KBX028AR.18, is designed for use in the infrared spectrum, specifically between 1000nm and 1550nm.
The lens boasts a diameter of 12.7 mm and a focal length of 25.4 mm, making it a compact yet powerful optical component. The edge thickness is 3 mm, while the center thickness is 4.61 mm, providing a robust structure that can withstand typical handling and usage.
The KBX028AR.18 features a double-convex geometry, with radii of curvature of 25.444 mm for both the front and back surfaces. This geometry, combined with the lens's material, results in an effective focal length of 25.4 mm and a back focal length of 23.83 mm.
The lens is made from N-BK7 Schott, a popular optical glass known for its excellent optical properties and versatility. This material, in combination with the lens's geometry, ensures high-quality imaging and minimal distortion.
The lens is coated with New AR-18, a broadband anti-reflective coating designed for use in the infrared spectrum. This coating reduces surface reflections, improving transmission and enhancing the lens's performance in its intended application.
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