49-908 15.0mm Dia. x 18.0mm FL; NIR I Coated; Plano-Convex Lens NIR I 600-1050nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 15 mm
- EFL
- 18 mm
- BFL
- 15.61 mm
- R1
- 12.11 mm
Material
- Name
- N-SF5
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6727030184452947
- λ
- 587.6 nm
- B1
- 1.52481889
- C1
- 0.011254756 μm2
- B2
- 0.187085527
- C2
- 0.0588995392 μm2
- B3
- 1.42729015
- C3
- 129.141675 μm2
49-908 15.0mm Dia. x 18.0mm FL; NIR I Coated; Plano-Convex Lens NIR I 600-1050nm
The 49-908 is a Plano-Convex Spherical Lens, sourced from the reputable optical vendor, Edmund Optics. This lens boasts a 15.0mm diameter and a focal length of 18.0mm, making it suitable for a wide range of optical applications.
The lens is crafted from n-SF5 Schott, a high-quality optical material known for its excellent transmittance and durability. The base shape of the lens is circular, contributing to its versatility in various optical systems.
The 49-908 features a front and back coating of EDM NIR-I STD Curve, a specialized coating designed to optimize performance in the near-infrared spectrum (600-1050nm). This coating enhances the lens's light transmission capabilities and reduces surface reflections, thereby improving overall system efficiency.
The lens's geometry includes a thickness of 1.4mm at the edge and 4.0mm at the center, providing a balanced profile for efficient light transmission. The inner and outer radii are 0mm, indicating a uniform curvature throughout the lens.
The lens's EFL (Effective Focal Length) is 18.0mm, a critical parameter in determining the lens's focusing capabilities. The BFL (Back Focal Length) is 15.61mm, which is the distance from the lens's rear surface to the focal point.
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