SLB-50.8B-300NIR1 50.8 mm Dia. x -299.5 mm FL; Coated; Double-Concave Lens 633-1064nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- EFL
- -299.5 mm
- BFL
- -300.5 mm
- R1
- -311.4 mm
- R2
- 311.4 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-50.8B-300NIR1 50.8 mm Dia. x -299.5 mm FL; Coated; Double-Concave Lens 633-1064nm
The SLB-50.8B-300NIR1 is a high-quality double-concave lens, 50.8 mm in diameter, and featuring a focal length of -299.5 mm. This lens is sourced from OptoSigma, a renowned vendor known for its precision optical components.
The lens is made from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The base shape of the lens is circular, and it has a thickness of 5.1 mm at the edge and 3 mm at the center. The inner and outer radii are 0, and the back focal length is -300.5 mm.
The SLB-50.8B-300NIR1 is coated with opt ir1 on both the front and back surfaces, providing superior anti-reflective properties in the 633-1064nm wavelength range. This coating enhances the lens's performance in infrared applications, making it an ideal choice for various optical systems.
