SLB-30B-50N 30.0 mm Dia. x -49.7 mm FL; Double-Concave Lens Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 30 mm
- EFL
- -49.7 mm
- BFL
- -50.3 mm
- R1
- -51.9 mm
- R2
- 51.9 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-30B-50N 30.0 mm Dia. x -49.7 mm FL; Double-Concave Lens Uncoated
The SLB-30B-50N is a high-quality double-concave lens offered by OptoSigma, a leading vendor in the optical industry. This lens, designed with a base shape of a circle, is constructed from n-BK7 Schott, a material known for its excellent optical properties. The lens features a diameter of 30.0 mm and a thickness at the edge of 6.4 mm, while the center thickness is 2.0 mm.
The lens has a focal length of -49.7 mm, making it suitable for applications that require a negative focal length. The first radius of curvature (R1) is -51.9 mm, and the second radius of curvature (R2) is 51.9 mm. The back focal length (BFL) of this lens is -50.3 mm. The lens is uncoated, offering users the flexibility to apply their preferred coating based on their specific application requirements.
This lens is designed to work with a wavelength of 546.1 nm, making it suitable for a wide range of applications in the visible light spectrum. The lens is currently in stock and available for immediate purchase, as indicated by its valid web link status. For more information or to make a purchase, users can visit the provided web link.