LE1104-A 25.4 mm Dia. N-BK7 Positive Meniscus Lens; EFL=150mm 350-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Concave)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 150 mm
- BFL
- 146.3 mm
- R1
- 49.1 mm
- R2
- 131.6 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167984379050088
- λ
- 587.6 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
LE1104-A 25.4 mm Dia. N-BK7 Positive Meniscus Lens; EFL=150mm 350-700nm
The LE1104-A is a 25.4 mm diameter Spherical Lens with a Positive Meniscus shape, sourced from the reputable optical components manufacturer, Thorlabs. This lens is specifically designed for use within the wavelength range of 350-700nm, with a central wavelength of 587.6nm.
The lens is made from N-BK7, a popular glass type in the optical industry, known for its excellent optical properties and versatility. The lens's geometry includes an outer diameter of 25.4mm, a thickness at the edge of 2mm, and a center thickness of 3.1mm. The Effective Focal Length (EFL) is 150mm, and the Back Focal Length (BFL) is 146.3mm.
The LE1104-A features a curvature of 49.1mm on the first surface (R1) and 131.6mm on the second surface (R2). The lens's design is Circular with a Spherical shape, and it comes with Anti-Reflection Coating (AR) on both the front and back surfaces, specifically THo A Bbar coating, which enhances its transmission capabilities.
This lens is currently in stock and available for immediate purchase through the Thorlabs website, as indicated by the "weblink status" in the item data.
