67-621 10mm Dia. x 100mm 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
- 10 mm
- EFL
- 100 mm
- BFL
- 99.17 mm
- R1
- 102.93 mm
- R2
- -102.93 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
67-621 10mm Dia. x 100mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm
The 67-621 is a high-quality double-convex lens, 10mm in diameter and with a focal length of 100mm, sourced from the renowned optical components vendor, Edmund Optics. This lens is specifically designed for use in the near-infrared (NIR) spectrum, with a coating optimized for the NIR II range of 750-1550nm.
The lens is made from n-BK7 Schott, a popular optical glass due to its excellent optical properties and versatility. The double-convex geometry, with radii of curvature of 102.93mm for both the front and rear surfaces, provides a high degree of focusing power. The lens has an effective focal length (EFL) of 100mm, making it suitable for a wide range of applications.
The lens has a center thickness of 2.5mm and an edge thickness of 2.26mm, providing robustness and durability. The inner and outer radii are both 0mm, indicating a uniform curvature across the lens surface. The lens is coated with Edmund Optics' standard NIR-II coating on both the front and back surfaces, ensuring optimal performance in the NIR II spectrum.
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