48-840 18mm 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
- 18 mm
- EFL
- 20 mm
- BFL
- 17.18 mm
- R1
- 17.05 mm
- R2
- -17.05 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
48-840 18mm Dia. x 20mm; UV-VIS Coated; UV Double-Convex Lens UV-VIS 250-700nm
The 48-840 is a UV-VIS coated, UV double-convex lens, boasting an 18mm diameter and a thickness of 20mm. This lens, sourced from the reputable vendor Edmund Optics, is currently in stock and available for immediate use.
The lens is made from fused sil mal-1965, a material known for its optical clarity and durability. It features a base shape of a circle, with a diameter of 18mm, and a thickness at the edge of 2.5mm, and a center thickness of 7.64mm. The effective focal length (EFL) is 20mm, making it suitable for a wide range of optical applications.
The 48-840 lens has a front and back coating of edm uv-vis std curve, providing excellent UV-VIS transmission capabilities within the wavelength range of 250-700nm. The lens shape is spherical, with radii of curvature R1 and R2 being 17.05mm and -17.05mm respectively. The back focal length (BFL) is 17.18mm, and both the inner and outer radii are 0mm.