89-167 18mm Dia. x 36mm 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
- 18 mm
- EFL
- 36 mm
- BFL
- 34.59 mm
- R1
- 36.6 mm
- R2
- -36.6 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
89-167 18mm Dia. x 36mm FL; VIS-EXT Coated; Double-Convex Lens VIS-EXT 350-700nm
The 89-167 is a high-quality double-convex lens, boasting an 18mm diameter and a focal length of 36mm. 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 2.55mm and a center thickness of 4.8mm. The effective focal length (EFL) is 36mm, while the back focal length (BFL) is 34.59mm.
The 89-167 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 350-700nm range. The lens's shape is spherical, a common choice for its ease of manufacturing and versatile applications.