SLB-50B-50NIR1 50.0 mm Dia. x -49.5 mm FL; Coated; Double-Concave Lens 633-1064nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- -49.5 mm
- BFL
- -50.5 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-50B-50NIR1 50.0 mm Dia. x -49.5 mm FL; Coated; Double-Concave Lens 633-1064nm
The SLB-50B-50NIR1 is a high-quality double-concave lens, 50.0 mm in diameter, and featuring a focal length of -49.5 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 15.8 mm at the edge and 3 mm at the center. The lens's design includes a double-concave geometry, with radii of curvature of -51.9 mm for the first surface and 51.9 mm for the second surface.
The SLB-50B-50NIR1 is coated with opt ir1 on both the front and back surfaces, enhancing its performance in the 633-1064nm wavelength range. This coating ensures high transmission and low reflection, making it ideal for various applications, including laser systems and optical imaging.
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