SLB-20B-60PIR1 20.0 mm Dia. x 60.6 mm FL; Coated; Double-Convex Lens 633-1064nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 60.6 mm
- BFL
- 59.4 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-20B-60PIR1 20.0 mm Dia. x 60.6 mm FL; Coated; Double-Convex Lens 633-1064nm
The SLB-20B-60PIR1 is a high-quality lens from OptoSigma, designed for use in the 633-1064nm wavelength range. This lens is a Spherical Lens (Convex-Convex) type, featuring a base shape of Circular for versatile application.
The lens has a diameter of 20.0 mm, with a thickness at the edge of 2.0 mm and a center thickness of 3.6 mm. The Effective Focal Length (EFL) is 60.6 mm, making it suitable for a range of optical systems. The first radius of curvature (R1) is 62.28 mm, while the second radius (R2) is -62.28 mm, indicating a double-convex lens design. The Back Focal Length (BFL) is 59.4 mm.
The lens is made from n-bk7 schott, a popular material in optical systems due to its excellent optical properties. The lens is coated with opt ir1 on both the front and back surfaces, enhancing its performance in the specified wavelength range.
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