67-676 50mm Dia. x 200mm 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
- 50 mm
- EFL
- 200 mm
- BFL
- 198.33 mm
- R1
- 205.86 mm
- R2
- -205.86 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
67-676 50mm Dia. x 200mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm
The 67-676 is a high-quality double-convex lens, designed for use in the near-infrared (NIR) spectrum, specifically between 750 and 1550nm. This lens is sourced from the renowned optical vendor, Edmund Optics, and is available for purchase on their official website.
The lens boasts a diameter of 50mm and a focal length of 200mm, making it a versatile choice for a wide range of applications. The double-convex geometry, characterized by its two convex surfaces, provides excellent focusing capabilities and a wide field of view. The lens has a center thickness of 5.05mm and an edge thickness of 2mm, ensuring robustness and durability.
The lens is crafted from N-BK7 Schott glass, a material known for its excellent optical properties and versatility. This glass offers a high refractive index and low dispersion, making it ideal for use in the NIR spectrum.
The 67-676 lens features a standard NIR-II coating on both the front and back surfaces. This coating, developed by Edmund Optics, is designed to optimize performance in the NIR spectrum, reducing reflection and enhancing transmission. The coating status is currently in stock, ensuring prompt delivery upon purchase.