SLB-20-60NIR2 20.0 mm Dia. x -60.0 mm FL; Coated; Plano-Concave Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- -60 mm
- BFL
- -61.3 mm
- R1
- -31.14 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-20-60NIR2 20.0 mm Dia. x -60.0 mm FL; Coated; Plano-Concave Lens 750-1550nm
The SLB-20-60NIR2 is a Plano-Concave Spherical Lens, sourced from the reputable vendor OptoSigma. This lens boasts a diameter of 20.0 mm and a focal length of -60.0 mm, making it ideal for a wide range of optical applications.
The lens is crafted from the high-quality material n-bk7 schott, ensuring durability and reliability. The base shape of the lens is circular, and it features a thickness edge of 3.6 mm and a thickness center of 2 mm. The effective focal length (EFL) is -60.0 mm, and the back focal length (BFL) is -61.3 mm.
The lens is coated with opt ir2 on both the front and back, providing excellent anti-reflective properties within the wavelength range of 750-1550nm. This coating enhances the lens' performance in infrared applications, making it a superior choice for such uses.
The SLB-20-60NIR2 is currently in stock and available for immediate purchase through the provided weblink. With its superior quality and performance, this lens is an excellent choice for any optical project.