48-939 9mm Dia. x -12mm FL; VIS 0deg Coated; Double-Concave Lens 425-675nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 9 mm
- EFL
- -12 mm
- BFL
- -12.41 mm
- R1
- -19.16 mm
- R2
- 19.16 mm
Material
- Name
- N-SF11
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7847141030246312
- λ
- 587.6 nm
- B1
- 1.73759695
- C1
- 0.013188707 μm2
- B2
- 0.313747346
- C2
- 0.0623068142 μm2
- B3
- 1.89878101
- C3
- 155.23629 μm2
48-939 9mm Dia. x -12mm FL; VIS 0deg Coated; Double-Concave Lens 425-675nm
The 48-939 is a spherical lens with a base shape of circular, sourced from the reputable vendor, Edmund Optics. This lens falls under the category of Spherical Lens (Concave-Concave) and is designed for use in the visible light spectrum, specifically at a wavelength of 587.6nm.
The lens has a diameter of 9mm and a thickness at the edge of 2.43mm, while the center thickness is 1.5mm. The effective focal length (EFL) of the lens is -12mm, making it a double-concave lens. The first radius of curvature (R1) is -19.16mm, and the second radius of curvature (R2) is 19.16mm. The back focal length (BFL) is -12.41mm.
The lens is made from the material n-sf11 Schott. The front and back surfaces of the lens are coated with the EDM VIS-0 STD CURVE coating, which is designed for use in the visible light spectrum. This coating helps to improve the lens's performance by reducing reflections and increasing transmission.
The item data indicates that this lens is in stock and available for purchase. For more information, please refer to the vendor's website using the provided weblink.
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