SLB-25.4B-30NIR2 25.4 mm Dia. x -29.7 mm FL; Coated; Double-Concave Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -29.7 mm
- BFL
- -30.4 mm
- R1
- -31.14 mm
- R2
- 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-25.4B-30NIR2 25.4 mm Dia. x -29.7 mm FL; Coated; Double-Concave Lens 750-1550nm
OptoSigma presents the SLB-25.4B-30NIR2, a 25.4 mm diameter double-concave lens with a focal length of -29.7 mm, specifically designed for the wavelength range of 750-1550nm. This lens is made of n-bk7 schott material and features a unique spherical shape, with a center thickness of 2mm and edge thickness of 7.4mm.
The lens's geometry includes an inner radius of 0mm and an outer radius of 0mm, making it a circular element. The front and back surfaces are coated with opt ir2, providing excellent performance in the specified infrared spectrum. This lens is currently in stock and available for immediate purchase via the provided weblink.
As a concave-concave lens, the SLB-25.4B-30NIR2 offers superior light-bending capabilities, making it ideal for various applications requiring precise light control and manipulation. Its robust construction and high-quality coating ensure longevity and durability, making it a reliable choice for your optical system needs.