67-652 25mm Dia. x 75mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 75 mm
- BFL
- 73.84 mm
- R1
- 76.66 mm
- R2
- -76.66 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
67-652 25mm Dia. x 75mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm
This is a 25mm diameter, 75mm focal length double-convex lens, specifically designed for use in the near-infrared (NIR) spectrum. The lens is sourced from Edmund Optics, a leading provider of optical components, and is currently in stock.
The lens is made from n-BK7 Schott, a high-quality borosilicate glass known for its excellent optical properties. It features a standard NIR-II coating on both the front and back surfaces, ensuring optimal performance in the 750-1550nm wavelength range.
The geometry of the lens includes a thickness of 1.45mm at the edge and 3.5mm at the center. The front and back radii are 76.66mm and -76.66mm respectively, resulting in a back focal length of 73.84mm. The lens has no inner or outer radius.
This lens is a spherical lens with a circular base shape, making it suitable for a wide range of optical applications. Its double-convex design allows for efficient light gathering and focusing, making it an ideal choice for systems requiring high-quality imaging in the NIR spectrum.
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