48-315 25.0mm Dia. x -50 FL; Uncoated; UV Plano-Concave Lens
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- -50 mm
- BFL
- -51.37 mm
- R1
- -22.92 mm
Material
- Name
- Fused Silica
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.458462342053241
- λ
- 587.6 nm
- B1
- 0.6961663
- C1
- 0.00467914825849 μm2
- B2
- 0.4079426
- C2
- 0.013512063073959999 μm2
- B3
- 0.8974794
- C3
- 97.934002537921 μm2
48-315 25.0mm Dia. x -50 FL; Uncoated; UV Plano-Concave Lens
The 48-315 is a 25.0mm diameter Plano-Concave lens with a focal length of -50 from Edmund Optics. This lens is uncoated and optimized for use in the ultraviolet (UV) spectrum, specifically at a wavelength of 587.6nm.
The lens's geometry includes an edge thickness of 5.52mm and a center thickness of 2mm. The inner and outer radii are both zero, indicating a planar surface on one side and a concave surface on the other. The radius of curvature (R1) of the concave surface is -22.92mm, and the back focal length (BFL) is -51.37mm.
This lens is made of fused silica (mal-1965), a material known for its excellent transparency in the UV region. The uncoated version of this lens is ideal for applications where cost-effectiveness is a priority and where the user can manage the reflected light.
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