112-0509E 50.8 mm Dia. x -200 mm FL; Uncoated; Plano-Concave Lens
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- EKSMA Optics
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- EFL
- -200 mm
- R1
- -103.7 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
112-0509E 50.8 mm Dia. x -200 mm FL; Uncoated; Plano-Concave Lens
The 112-0509E is a Plano-Concave Lens with a diameter of 50.8 mm and a focal length of -200 mm, sourced from EKSMA Optics. This lens is a Spherical Lens, specifically designed in a Circular Base Shape, making it suitable for a wide range of optical applications.
The lens's geometry is defined by its diameter, thickness edge, and thickness center. The diameter measures 50.8 mm, while the thickness edge is 8 mm and the thickness center is 5 mm. The EFL (Effective Focal Length) is -200 mm, and the radii of curvature are -103.7 mm for the first surface and 0 mm for the second surface, indicating a plano surface. The lens's inner and outer radii are both 0 mm.
The lens is made of n-BK7 Schott, a popular optical glass known for its excellent optical properties. The wavelength for this lens is 546 nm. The lens does not have any coating, which means it is uncoated.
This lens is in stock and available for immediate purchase. For more information, please refer to the vendor's website provided in the weblinks section.