114-0128E 12.7 mm Dia. x -200 mm FL; Uncoated; Double-Concave Lens
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- EKSMA Optics
Properties
- Shape
- Circular
- Diameter
- 12.7 mm
- EFL
- -200 mm
- R1
- -207.8 mm
- R2
- 207.8 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
114-0128E 12.7 mm Dia. x -200 mm FL; Uncoated; Double-Concave Lens
The 114-0128E is a double-concave lens with a diameter of 12.7 mm and a focal length of -200 mm, sourced from EKSMA Optics. This lens is a spherical type, featuring a base shape of a circle and a Sub Type of Spherical Lens (Concave-Concave).
The lens's geometry is meticulously designed, with an edge thickness of 2 mm and a center thickness of 1.8 mm. The inner and outer radii are 0, and the radii of curvature are -207.8 mm and 207.8 mm for the first and second surfaces, respectively.
The lens is made of n-BK7 Schott material, a popular choice for its high refractive index and low dispersion. It is designed to operate at a wavelength of 546 nm. The lens does not come with any coating, offering a bare, uncoated surface.
This lens is a versatile component, suitable for various applications that require a negative focal length and a small diameter. It is currently in stock and available for immediate purchase, as indicated by its weblink status. For more information, users are encouraged to visit the vendor's website through the provided weblink.