48-850 25mm Dia. x 250mm; 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
- 25 mm
- EFL
- 250 mm
- BFL
- 248.9 mm
- R1
- 228.73 mm
- R2
- -228.73 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
48-850 25mm Dia. x 250mm; UV-VIS Coated; UV Double-Convex Lens UV-VIS 250-700nm
The 48-850 is a UV-VIS coated, UV double-convex lens, boasting a diameter of 25mm and a length of 250mm. This lens, sourced from the reputable vendor Edmund Optics, is a Spherical Lens of the Convex-Convex subtype, with a base shape of Circular.
The lens's geometry is meticulously designed, featuring a diameter of 25mm, a thickness at the edge of 2.53mm, and a thickness at the center of 3.21mm. The Effective Focal Length (EFL) is 250mm, while the Radius of Curvature for the first surface is 228.73mm and -228.73mm for the second surface. The Back Focal Length (BFL) is 248.9mm. The Inner and Outer Radius are both 0mm, indicating a uniform curvature throughout the lens.
The lens is crafted from Fused Silica (Mal-1965), a material known for its excellent optical properties and durability. The wavelength of this lens is 587.6nm. The lens is coated with a UV-VIS coating on both the front and back, adhering to the standard curve as defined by Edmund Optics. This coating enhances the lens's performance within the UV-VIS spectrum, specifically between 250-700nm.