112-0261E 25.4 mm Dia. x -2000 mm FL; Uncoated; Plano-Concave Lens
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- EKSMA Optics
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -2000 mm
- R1
- -1037.4 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5187257728940171
- λ
- 546 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
112-0261E 25.4 mm Dia. x -2000 mm FL; Uncoated; Plano-Concave Lens
The 112-0261E is a Plano-Concave Lens with a diameter of 25.4 mm and a focal length of -2000 mm, making it a powerful and versatile optical component. This lens is sourced from EKSMA Optics, a reputable vendor known for their high-quality optical elements.
The lens is spherical in shape, with a base shape of circular. The geometry of the lens is precise, with a thickness edge of 4 mm and a thickness center of 3.9 mm. The inner and outer radii are both 0, indicating a uniform curvature throughout the lens.
The lens is made from n-bk7 Schott, a popular material in optical applications due to its excellent optical properties. The wavelength of the lens is 546 nm, which is within the visible light spectrum.
Notably, this lens is uncoated. Coatings are often applied to lenses to enhance their optical properties, such as reducing reflection or increasing transmission. However, this lens has been left uncoated, which may be suitable for certain applications where a specific coating is not required.
The lens is currently in stock and available for purchase. For more information, please refer to the vendor's website provided in the item data.