89-145 10mm Dia. x 25mm FL; VIS-EXT Coated; Double-Convex Lens VIS-EXT 350-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 10 mm
- EFL
- 25 mm
- BFL
- 24.16 mm
- R1
- 25.41 mm
- R2
- -25.41 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167984379050088
- λ
- 587.6 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
89-145 10mm Dia. x 25mm FL; VIS-EXT Coated; Double-Convex Lens VIS-EXT 350-700nm
The 89-145 is a high-quality double-convex lens, boasting a 10mm diameter and a focal length of 25mm. This lens is sourced from the renowned optical vendor, Edmund Optics, and is currently in stock, as indicated by its weblink status.
The lens is crafted from the esteemed N-BK7 glass from Schott, a material known for its excellent optical properties. The base shape of the lens is circular, and it features a geometry that includes an edge thickness of 1.51mm and a center thickness of 2.5mm. The effective focal length (EFL) is 25mm, and the radii of curvature are R1: 25.41mm and R2: -25.41mm. The back focal length (BFL) is 24.16mm, with both the inner and outer radii being 0mm.
The 89-145 lens is coated with EDM VIS-EXT on both the front and back surfaces. This coating enhances the lens's performance in the visible light spectrum, specifically within the wavelength range of 350-700nm. The lens's shape is spherical, a common characteristic in optical lenses that contributes to its wide range of applications.