SLB-25.4B-80NIR2 25.4 mm Dia. x -79.7 mm FL; Coated; Double-Concave Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -79.7 mm
- BFL
- -80.4 mm
- R1
- -83.04 mm
- R2
- 83.04 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.518720636186463
- λ
- 546.1 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
SLB-25.4B-80NIR2 25.4 mm Dia. x -79.7 mm FL; Coated; Double-Concave Lens 750-1550nm
The SLB-25.4B-80NIR2 is a high-quality double-concave lens, boasting a diameter of 25.4 mm and a focal length of -79.7 mm. This lens is sourced from OptoSigma, a renowned vendor known for their precision optical components.
The lens is crafted from n-bk7 schott, a material well-regarded for its excellent optical properties. The base shape of the lens is circular, with a thickness of 4 mm at the edge and 2 mm at the center. The inner and outer radii are both 0, indicating a uniform curvature.
The lens is coated with opt ir2 on both the front and back surfaces, providing superior performance within the wavelength range of 750-1550nm. This coating enhances the lens's durability and resistance to environmental factors, ensuring reliable operation even under challenging conditions.
The lens's geometry, including its diameter, thickness, and focal length, make it an ideal choice for a wide range of applications. Its spherical shape ensures excellent light transmission and focus, making it a versatile component in optical systems.