67-551 25.0mm Dia. x 125.0mm FL; NIR II Coated; Plano-Convex Lens NIR II 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 75 mm
- BFL
- 72 mm
- R1
- 38.76 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
67-551 25.0mm Dia. x 125.0mm FL; NIR II Coated; Plano-Convex Lens NIR II 750-1550nm
The 67-551 is a Plano-Convex lens, a type of spherical lens, sourced from Edmund Optics. This lens boasts a diameter of 25.0mm and a focal length of 125.0mm, making it a versatile choice for various optical applications.
The lens is made from n-BK7 Schott, a high-quality optical glass known for its excellent transparency and low dispersion. This material makes the lens suitable for use in a wide range of wavelengths, with a specified wavelength of 587.6nm.
The 67-551 features a standard curve coating on both the front and back surfaces, specifically the EDM NIR-II coating. This coating enhances the lens's performance in the near-infrared (NIR) spectrum, specifically between 750nm and 1550nm. The coating reduces reflection and increases transmission, making the lens ideal for use in NIR applications.
The lens has a center thickness of 4.5mm and an edge thickness of 2.43mm, providing a robust structure. The inner and outer radii are 0mm, indicating a uniform curvature. The lens's base shape is circular, adding to its versatility in various applications.