67-651 25mm Dia. x 50mm 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
- 50 mm
- BFL
- 48.29 mm
- R1
- 50.8 mm
- R2
- -50.8 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
67-651 25mm Dia. x 50mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm
The 67-651 is a high-quality double-convex lens, designed and manufactured by Edmund Optics, a leading provider of optical components. This lens boasts a 25mm diameter and a focal length of 50mm, making it suitable for a wide range of applications.
The lens is constructed from N-BK7 Schott glass, a material known for its excellent optical properties and versatility. The base shape of the lens is circular, and it features a spherical geometry, with a center thickness of 5mm and an edge thickness of 1.88mm. The inner and outer radii are 0, and the lens has a back focal length of 48.29mm.
The 67-651 lens is coated with Edmund Optics' standard NIR-II coating on both the front and back surfaces. This coating is specifically designed for use in the near-infrared spectrum, covering the wavelength range of 750-1550nm. It enhances the lens' performance by reducing surface reflections and increasing transmission, thereby improving the overall efficiency and image quality.
This lens is a great choice for applications that require high-performance optics in the near-infrared spectrum. It is currently in stock and available for immediate purchase through the Edmund Optics website.