SLB-50B-60NIR2 50.0 mm Dia. x -59.5 mm FL; Coated; Double-Concave Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- -59.5 mm
- BFL
- -60.5 mm
- R1
- -62.28 mm
- R2
- 62.28 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-60NIR2 50.0 mm Dia. x -59.5 mm FL; Coated; Double-Concave Lens 750-1550nm
The SLB-50B-60NIR2 is a high-quality double-concave lens offered by OptoSigma, designed for use within the wavelength range of 750-1550nm. This lens boasts a base shape of a circle and is constructed from the n-bk7 schott material, ensuring reliable performance and durability.
The lens has a diameter of 50.0 mm and a center thickness of 3 mm, with an edge thickness of 13.5 mm. The effective focal length (EFL) is -59.5 mm, and the back focal length (BFL) is -60.5 mm. The first and second radii of curvature are -62.28 mm and 62.28 mm, respectively. The lens features a spherical shape, which is well-suited for a variety of applications.
The SLB-50B-60NIR2 comes with OptoSigma's proprietary Opt IR2 coating on both the front and back surfaces, enhancing its performance in the infrared spectrum. This lens is currently in stock and available for immediate purchase through the provided weblink.
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