67-672 40mm Dia. x 400mm 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
- 40 mm
- EFL
- 400 mm
- BFL
- 397.35 mm
- R1
- 412.09 mm
- R2
- -412.09 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
67-672 40mm Dia. x 400mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm
The 67-672 is a high-quality lens from Edmund Optics, designed for use in the near-infrared (NIR) spectrum, specifically between 750 and 1550 nanometers. This lens, with a diameter of 40mm and a focal length of 400mm, is a double-convex spherical lens, offering excellent optical performance.
The lens is made from N-BK7 Schott glass, a common material in optical systems due to its excellent transparency in the visible and near-infrared regions. The lens's geometry includes a thickness of 7.03mm at the edge and 8mm at the center, with a back focal length of 397.35mm. The front and back surfaces of the lens are coated with Edmund Optics' NIR-II standard curve coating, designed to enhance its performance in the NIR spectrum.
This lens is ideal for applications that require high-resolution imaging or precise focusing in the NIR range. Its robust construction and high-quality coatings ensure longevity and reliability, making it a excellent choice for various optical systems.
For more information, including pricing and availability, please refer to the vendor's website at https://www.edmundoptics.com/p/40mm-dia-x-400mm-fl-nir-ii-coated-double-convex-lens/22344/.