SLB-15-30NIR2 15.0 mm Dia. x -30.0 mm FL; Coated; Plano-Concave Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 15 mm
- EFL
- -30 mm
- BFL
- -31.3 mm
- R1
- -15.57 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-15-30NIR2 15.0 mm Dia. x -30.0 mm FL; Coated; Plano-Concave Lens 750-1550nm
The SLB-15-30NIR2 is a Plano-Concave Spherical Lens, 15.0 mm in diameter and featuring a focal length of -30.0 mm. This lens is sourced from OptoSigma, a renowned vendor in the optical industry. The lens is made from n-bk7 schott, a high-quality material known for its excellent optical properties.
The lens's geometry is meticulously designed, with an edge thickness of 3.9 mm and a center thickness of 2 mm. The effective focal length (EFL) is -30.0 mm, and the radius of curvature (R1) is -15.57 mm. The back focal length (BFL) is -31.3 mm, and both the inner and outer radii are 0 mm.
This lens is designed to operate within the wavelength range of 546.1 nm. It comes with a coating on both the front and back surfaces, specifically an opt ir2 coating, which enhances its performance within the 750-1550nm spectral range.