38-442 9.0mm Dia. x 25mm FL; VIS-EXT Coated; Plano-Convex Lens VIS-EXT 350-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 9 mm
- EFL
- 25 mm
- BFL
- 23.68 mm
- R1
- 12.92 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167984379050088
- λ
- 587.6 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
9.0mm Dia. x 25mm FL Plano-Convex Lens with VIS-EXT Coating from Edmund Optics
This 9.0mm diameter by 25mm focal length plano-convex lens, sourced from the renowned optical component vendor Edmund Optics, is a high-quality spherical lens designed for use within the visible light spectrum. The lens boasts a plano-convex geometry, featuring a flat front surface and a curved back surface, with a base shape of a circle.
The lens's geometry details include a 1.19mm edge thickness, a 2mm center thickness, and a 25mm effective focal length (EFL). The front surface radius of curvature is 12.92mm, and the back focal length (BFL) is 23.68mm. The lens's inner and outer radii are both 0mm, indicating a uniform curvature across the lens surface.
The lens is crafted from the well-regarded N-BK7 glass from Schott, a material known for its excellent optical properties and versatility. The lens's coating, VIS-EXT, is applied to both the front and back surfaces, enhancing its performance within the visible light spectrum (350-700nm). This coating helps minimize surface reflections and increase transmission, making it an ideal choice for various applications.
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