49-546 12mm Dia. x -12mm FL; NIR I Coated; Double-Concave Lens 600-1050nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12 mm
- EFL
- -12 mm
- BFL
- -12.81 mm
- R1
- -19.47 mm
- R2
- 19.47 mm
Material
- Name
- N-SF11
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7847141030246312
- λ
- 587.6 nm
- B1
- 1.73759695
- C1
- 0.013188707 μm2
- B2
- 0.313747346
- C2
- 0.0623068142 μm2
- B3
- 1.89878101
- C3
- 155.23629 μm2
49-546 12mm Dia. x -12mm FL; NIR I Coated; Double-Concave Lens 600-1050nm
The 49-546 is a double-concave lens with a diameter of 12mm and a focal length of -12mm, making it a negatively powered lens. This lens is sourced from Edmund Optics, a reputable vendor known for its high-quality optical elements. The lens is designed for use in the near-infrared (NIR) spectrum, specifically between 600 and 1050nm, making it suitable for a wide range of applications in this spectral range.
The lens is made from n-SF11 Schott, a high-index glass that offers excellent optical performance. The double-concave design of the lens, with radii of curvature of -19.47mm and 19.47mm, provides a high level of optical power. The lens has a central thickness of 3mm and an edge thickness of 4.71mm, providing robustness and durability.
The lens features a standard NIR I coating on both the front and back surfaces. This coating is designed to enhance the transmission of light in the NIR spectrum, reducing reflections and improving the overall efficiency of the optical system. The coating is specified to the standard curve, ensuring consistent performance across different batches and production runs.