SLB-30-120NM 30.0 mm Dia. x -120.0 mm FL; Coated; Plano-Concave Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 30 mm
- EFL
- -120 mm
- BFL
- -121.3 mm
- R1
- -62.28 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-30-120NM 30.0 mm Dia. x -120.0 mm FL; Coated; Plano-Concave Lens 400-700nm
The SLB-30-120NM is a Plano-Concave Spherical Lens, characterized by its 30.0 mm diameter and a focal length of -120.0 mm. This lens is sourced from OptoSigma, a renowned vendor in the optical industry. The lens is made of n-bk7 schott, a high-quality material known for its excellent optical properties.
The lens features a thickness of 3.8 mm at the edge and 2 mm at the center, providing a robust structure while maintaining a sleek profile. The inner and outer radii are both 0 mm, indicating a flat surface on one side and a curved surface on the other. The curvature of the lens is defined by a radius of -62.28 mm on the curved surface.
The SLB-30-120NM is coated with Opt M on both the front and back surfaces, enhancing its performance in the 400-700 nm wavelength range. This coating ensures optimal light transmission and reduces unwanted reflections, making it suitable for a wide range of applications.