SLB-50B-100NIR1 50.0 mm Dia. x -99.5 mm FL; Coated; Double-Concave Lens 633-1064nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- -99.5 mm
- BFL
- -100.5 mm
- R1
- -103.8 mm
- R2
- 103.8 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-50B-100NIR1 50.0 mm Dia. x -99.5 mm FL; Coated; Double-Concave Lens 633-1064nm
The SLB-50B-100NIR1 is a high-quality double-concave lens, sourced from the reputable vendor OptoSigma. This lens is designed with a base shape of a circle and features a spherical geometry, making it suitable for a wide range of optical applications.
The lens has a diameter of 50.0 mm and a center thickness of 3.0 mm, ensuring a robust structure while maintaining a sleek profile. The edge thickness is 9.1 mm, providing additional durability. The effective focal length (EFL) of this lens is -99.5 mm, making it ideal for use in applications that require a negative focal length.
The lens is made from n-bk7 schott material, a popular choice in the optical industry due to its excellent optical properties and versatility. The radii of curvature for this lens are -103.8 mm for the first surface and 103.8 mm for the second surface, contributing to its double-concave design. The back focal length (BFL) is -100.5 mm.
The SLB-50B-100NIR1 comes with a coating of opt ir1 on both the front and back surfaces. This coating enhances the lens's performance in the wavelength range of 633-1064nm, making it suitable for near-infrared (NIR) applications.