89-131 6mm Dia. x 12mm 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
- 6 mm
- EFL
- 12 mm
- BFL
- 11.18 mm
- R1
- 11.98 mm
- R2
- -11.98 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
89-131 6mm Dia. x 12mm FL; VIS-EXT Coated; Double-Convex Lens VIS-EXT 350-700nm
The 89-131 is a high-quality spherical lens, boasting a double-convex design, sourced from the reputable optical vendor, Edmund Optics. This lens is specifically designed for use within the visible light spectrum, spanning from 350 to 700nm, making it an ideal choice for a wide range of optical applications.
The lens features a 6mm diameter and a focal length of 12mm, providing a substantial depth of field. The base shape of the lens is circular, ensuring a uniform light distribution and minimal distortion. The geometry of the lens is meticulously crafted, with an edge thickness of 1.64mm and a center thickness of 2.4mm, optimizing its light transmission capabilities.
The 89-131 lens is constructed from n-BK7 Schott, a renowned optical glass known for its excellent optical properties and durability. This material ensures high light transmission, low auto-fluorescence, and superior homogeneity.
The lens is further enhanced with VIS-EXT coatings on both the front and back surfaces. These coatings are specifically designed to increase transmission within the visible spectrum, reducing surface reflections and improving overall image quality.
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