49-452 3mm Dia. x 4.5mm FL; NIR I Coated; Double-Convex Lens NIR I 600-1050nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 3 mm
- EFL
- 4.5 mm
- BFL
- 3.78 mm
- R1
- 4.29 mm
- R2
- -4.29 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
49-452 3mm Dia. x 4.5mm FL; NIR I Coated; Double-Convex Lens NIR I 600-1050nm
The 49-452 is a high-quality double-convex lens, boasting a 3mm diameter and a focal length of 4.5mm. This lens is sourced from the reputable vendor, Edmund Optics, and is currently in stock, as indicated by its weblink status.
The lens is crafted from n-BK7 Schott, a popular optical glass due to its excellent transparency in the visible and near-infrared spectrum. The base shape of the lens is circular, and it features a standard spherical geometry. The center thickness of the lens is 2mm, while the edge thickness is 1.47mm, providing a robust structure.
The lens's effective focal length (EFL) is 4.5mm, and its back focal length (BFL) is 3.78mm. The first and second radii of the lens are 4.29mm and -4.29mm, respectively, indicating its double-convex shape. The inner and outer radii are both zero, suggesting a uniform curvature.
The 49-452 lens is coated with EDM NIR-I std curve on both the front and back surfaces. This coating enhances its performance in the near-infrared region, specifically between 600nm and 1050nm, making it suitable for applications in this spectrum.