LA1259-A N-BK7 Plano-Convex Lens; Dia:1 in; f=2500.0 mm ARC 350-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 2500 mm
- BFL
- 2498.6 mm
- R1
- 1292 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
LA1259-A N-BK7 Plano-Convex Lens; Dia:1 in; f=2500.0 mm ARC 350-700nm
The LA1259-A is a plano-convex lens made from N-BK7 glass, a popular material in the optical industry due to its excellent optical properties. This lens, sourced from Thorlabs, has a diameter of 1 inch (25.4 mm) and a focal length of 2500 mm, making it suitable for applications requiring long focal lengths.
The lens's geometry includes a thickness of 2 mm at the edge and 2.1 mm at the center. The effective focal length (EFL) is 2500 mm, and the radius of curvature (R1) is 1292 mm. The back focal length (BFL) is 2498.6 mm, and both the inner and outer radii are 0 mm, indicating a planar back surface.
The lens is coated with ARC 350-700nm on both the front and back surfaces, enhancing its transmission capabilities within the specified wavelength range. This coating reduces reflection and increases the lens's efficiency, making it an excellent choice for various applications.
More Lens
