SLB-50.8B-70PIR2 50.8 mm Dia. x 72.0 mm FL; Coated; Double-Convex Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- EFL
- 72 mm
- BFL
- 68 mm
- R1
- 72.66 mm
- R2
- -72.66 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-70PIR2 50.8 mm Dia. x 72.0 mm FL; Coated; Double-Convex Lens 750-1550nm
The SLB-50.8B-70PIR2 is a high-quality double-convex lens, boasting a diameter of 50.8 mm and a focal length of 72 mm. This lens is sourced from OptoSigma, a renowned vendor known for its precision optical components.
The lens is crafted from n-bk7 schott, a material renowned for its excellent optical properties. The base shape is circular, and the lens features a spherical geometry, with a center thickness of 12.2 mm and an edge thickness of 3 mm. The effective focal length (EFL) is 72 mm, while the back focal length (BFL) is 68 mm.
The SLB-50.8B-70PIR2 is coated with opt ir2 on both the front and back surfaces, enhancing its performance in the 750-1550nm wavelength range. This coating ensures optimal light transmission and reduces unwanted reflections, making it ideal for applications such as IR imaging, spectroscopy, and beam shaping.
