48-941 6mm Dia. x -9mm FL; VIS-NIR Coated; Double-Concave Lens 400-1000nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 6 mm
- EFL
- -9 mm
- BFL
- -9.32 mm
- R1
- -9.47 mm
- R2
- 9.47 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
48-941 6mm Dia. x -9mm FL; VIS-NIR Coated; Double-Concave Lens 400-1000nm
The 48-941 is a high-quality double-concave lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a base shape of a circle, is designed for use in the visible to near-infrared spectrum, spanning from 400 to 1000nm, making it a versatile choice for various optical applications.
The lens boasts a diameter of 6mm and a focal length of -9mm, indicating its concave nature. The edge thickness is 1.79mm, while the center thickness is 1mm, providing a robust structure for efficient light transmission. The front and back surfaces of the lens are coated with edm visnir0sp2002000, a VIS-NIR coating that enhances its performance in the specified wavelength range.
The lens's geometry is defined by its radii (r1: -9.47mm, r2: 9.47mm) and its back focal length (-9.32mm). The inner and outer radii are 0mm, indicating a simple, double-concave design. The lens is made from n-bk7 schott, a popular optical material known for its excellent optical properties.
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