89-151 12mm Dia. x 18mm 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
- 12 mm
- EFL
- 18 mm
- BFL
- 16.81 mm
- R1
- 18.01 mm
- R2
- -18.01 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
89-151 12mm Dia. x 18mm FL; VIS-EXT Coated; Double-Convex Lens VIS-EXT 350-700nm
The 89-151 is a double-convex lens with a diameter of 12mm and a focal length of 18mm, sourced from the reputable optical vendor, Edmund Optics. This lens is designed for use within the visible light spectrum, specifically between 350-700nm, making it suitable for a wide range of optical applications.
The lens is constructed from Schott's n-BK7 glass, a popular material in the optical industry due to its excellent optical properties and versatility. The lens features a front and back coating of EDM VIS-EXT, a broadband anti-reflection coating that enhances transmission within the specified wavelength range.
The geometry of the lens includes a center thickness of 3.48mm and an edge thickness of 1.42mm, providing a robust structure while maintaining a relatively compact form factor. The lens's inner and outer radii are not specified, indicating a uniform curvature across the lens surface.
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