48-835 12mm Dia. x 20mm; UV-VIS Coated; UV Double-Convex Lens UV-VIS 250-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12 mm
- EFL
- 20 mm
- BFL
- 18.44 mm
- R1
- 17.63 mm
- R2
- -17.63 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
48-835 12mm Dia. x 20mm; UV-VIS Coated; UV Double-Convex Lens UV-VIS 250-700nm
The 48-835 is a UV-VIS coated, UV double-convex lens, boasting a 12mm diameter and a 20mm thickness. This lens, sourced from the reputable vendor Edmund Optics, is designed for use within the UV-VIS spectrum, specifically between 250-700nm.
The lens's geometry is characterized by a 2.27mm edge thickness and a 4.37mm center thickness, with an effective focal length (EFL) of 20mm. The first radius of curvature (R1) is 17.63mm, while the second radius (R2) is -17.63mm, indicating a convex-convex base shape. The back focal length (BFL) is 18.44mm.
The lens is constructed from fused silica, identified as mal-1965 in the Material ID. This material is known for its excellent transparency and durability, making it an ideal choice for various optical applications.
The lens features a standard UV-VIS coating on both the front and back surfaces, adhering to Edmund Optics' UV-VIS standard curve. This coating enhances the lens's performance within the UV-VIS spectrum, reducing unwanted reflections and increasing transmission.
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