89-191 30mm 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
- 30 mm
- EFL
- 100 mm
- BFL
- 98.34 mm
- R1
- 102.5 mm
- R2
- -102.5 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
89-191 30mm Dia. x 100mm FL; VIS-EXT Coated; Double-Convex Lens VIS-EXT 350-700nm
The 89-191 is a high-quality double-convex lens, boasting a 30mm diameter and a focal length of 100mm. This lens is sourced from the renowned optical vendor, Edmund Optics, and is available for immediate purchase, as indicated by its valid and in-stock weblink status.
The lens is constructed from the high-grade material, n-BK7 Schott, ensuring durability and reliability. It features a base shape of a circle, with a thickness of 2.79mm at the edge and 5mm at the center. The effective focal length (EFL) is 100mm, while the back focal length (BFL) is 98.34mm. The first and second radii (R1 and R2) are 102.5mm and -102.5mm, respectively.
The 89-191 lens is coated with EDM VIS-EXT on both the front and back surfaces, enhancing its performance within the visible light spectrum (350-700nm). This coating aids in reducing surface reflections and increasing transmission, making it an ideal choice for various optical applications.
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