63-840 25mm Dia. x 75.6mm FL; VIS-NIR Coated; UV Double-Convex Lens VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 75.6 mm
- BFL
- 73.91 mm
- R1
- 68.55 mm
- R2
- -68.55 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
25mm Dia. x 75.6mm FL VIS-NIR Coated UV Double-Convex Lens from Edmund Optics
This optical component is a 25mm diameter, double-convex lens with a focal length of 75.6mm, sourced from the renowned optical vendor, Edmund Optics. The lens is designed for use within the visible to near-infrared spectrum, spanning 400 to 1000nm, making it suitable for a wide range of optical applications.
The lens geometry features a center thickness of 4.87mm and an edge thickness of 2.57mm, providing a robust and durable structure. The base shape is circular, and the lens is coated with a VIS-NIR coating (edm visnir0sp2002000) on both the front and back surfaces, enhancing its performance within the specified wavelength range.
The lens material is fused silica (mal-1965), a high-quality, optical-grade material known for its excellent transparency and resistance to thermal shock. The shape of the lens is spherical, with radii of curvature R1 and R2 being 68.55mm and -68.55mm respectively. The back focal length (BFL) of the lens is 73.91mm, and the effective focal length (EFL) is 75.6mm.
According to the vendor's website, this item is currently in stock, ensuring quick delivery for your optical project needs.