SLB-50.8B-50NM 50.8 mm Dia. x -49.5 mm FL; Coated; Double-Concave Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 50.8 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-50.8B-50NM 50.8 mm Dia. x -49.5 mm FL; Coated; Double-Concave Lens 400-700nm
The SLB-50.8B-50NM is a high-quality double-concave lens offered by OptoSigma, a leading vendor in the optical industry. This lens, designed for use within the wavelength range of 400-700nm, is constructed from the renowned material n-BK7 Schott, ensuring excellent optical performance.
The lens boasts a diameter of 50.8mm and a back focal length of -49.5mm, making it suitable for a wide range of applications. The edge thickness measures 16.3mm, while the center thickness is a mere 3mm, contributing to its overall sleek design and efficient light transmission.
The SLB-50.8B-50NM features a double-concave geometry, with radii of curvature of -51.9mm for the first surface and 51.9mm for the second surface. This design allows for precise control over the light path, making it an ideal choice for various applications.
The lens is coated with Opt M on both the front and back surfaces, enhancing its durability and light transmission capabilities. This coating ensures that the lens maintains its high performance levels even under demanding conditions.
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