112-5525E 50.8 mm Dia. x -300 mm FL; Uncoated; Plano-Concave Lens
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- EKSMA Optics
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- EFL
- -300 mm
- R1
- -125.5 mm
Material
- Name
- CaF2
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4182691687600177
- λ
- 2940 nm
- B1
- 0.5675888
- C1
- 0.00252643 μm2
- B2
- 0.4710914
- C2
- 0.010078333 μm2
- B3
- 3.8484723
- C3
- 1200.555973 μm2
112-5525E 50.8 mm Dia. x -300 mm FL; Uncoated; Plano-Concave Lens
The 112-5525E is a Plano-Concave Lens with a diameter of 50.8 mm and a focal length of -300 mm, making it a negatively powered lens. This lens is sourced from EKSMA Optics, a reputable vendor in the optical components industry. The lens is uncoated, indicating that it does not have any additional layers to enhance its optical properties or protect it from environmental factors.
The lens's geometry is characterized by its base shape, which is circular, and its thickness. The edge thickness is 5.6 mm, while the center thickness is 3 mm. The lens's inner and outer radii are both zero, suggesting a simple, straightforward design.
The lens is made from CAF2 (Calcium Fluoride), a material with the Mal-1963 designation. This material is known for its excellent transparency in the infrared region, making it suitable for applications that require transmission of light in this spectrum. The lens's wavelength is 2940 nm, further emphasizing its suitability for infrared applications.