49-256 6mm Dia. x 12mm; 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
- 6 mm
- EFL
- 12 mm
- BFL
- 11.23 mm
- R1
- 10.65 mm
- R2
- -10.65 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
49-256 6mm Dia. x 12mm; UV-VIS Coated; UV Double-Convex Lens UV-VIS 250-700nm
The 49-256 is a UV-VIS coated, UV double-convex lens, boasting a 6mm diameter and a 12mm 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 1.34mm edge thickness and a 2.2mm center thickness, with a 12mm effective focal length (EFL). The first and second radii of curvature (R1 and R2) are 10.65mm and -10.65mm respectively, contributing to a back focal length (BFL) of 11.23mm. The lens's base shape is circular, and it features a spherical design.
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 suitable for a wide range of optical applications.
The lens's coating is a standard UV-VIS coating from Edmund Optics, applied to both the front and back surfaces. This coating enhances the lens's performance within the UV-VIS spectrum, ensuring optimal light transmission and reducing unwanted reflections.
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