SLB-25.4B-40NIR1 25.4 mm Dia. x -39.7 mm FL; Coated; Double-Concave Lens 633-1064nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -39.7 mm
- BFL
- -40.4 mm
- R1
- -41.52 mm
- R2
- 41.52 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-25.4B-40NIR1 25.4 mm Dia. x -39.7 mm FL; Coated; Double-Concave Lens 633-1064nm
The SLB-25.4B-40NIR1 is a high-quality double-concave lens, 25.4 mm in diameter, and featuring a focal length of -39.7 mm. This lens is sourced from OptoSigma, a renowned vendor in the optical industry, and is available for immediate purchase.
The lens is made from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The base shape of the lens is circular, and it features a spherical geometry. The thickness at the edge of the lens is 6 mm, while the thickness at the center is 2 mm. The lens has an inner radius of 0 and an outer radius of 0.
The SLB-25.4B-40NIR1 is coated with opt ir1 on both the front and back surfaces, providing superior anti-reflective properties. This coating is specifically designed for use with wavelengths between 633 and 1064 nm, making this lens ideal for a wide range of applications in this spectral range.
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