89-201 50mm Dia. x 100mm 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
- 50 mm
- EFL
- 100 mm
- BFL
- 96.65 mm
- R1
- 101.63 mm
- R2
- -101.63 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
89-201 50mm Dia. x 100mm FL; VIS-EXT Coated; Double-Convex Lens VIS-EXT 350-700nm
The 89-201 is a high-quality double-convex lens, boasting a 50mm diameter and a 100mm focal length. This lens is sourced from the renowned optical vendor, Edmund Optics, and is available for immediate purchase, as indicated by its valid in-stock weblink status.
The lens is constructed 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 spherical geometry, with an inner radius of 0 and an outer radius of 0. The lens has a thickness edge of 3.76 and a thickness center of 10, while its effective focal length (EFL) is 100. The front and back surfaces of the lens are coated with the EDM VIS-EXT coating, which is specifically designed for use within the visible light spectrum, spanning from 350 to 700nm.
The lens's first radius of curvature (R1) is 101.63, and its second radius of curvature (R2) is -101.63. The back focal length (BFL) of the lens is 96.65. This lens is a part of the Spherical Lens (Convex-Convex) sub-type within the broader Lens type category.