KBX169 50.8 mm Dia. x 250 mm FL; Uncoated; Double-Convex Lens
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- MKS/Newport
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- EFL
- 250 mm
- BFL
- 248.17 mm
- R1
- 257.46 mm
- R2
- -257.46 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167401204613524
- λ
- 589 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
KBX169 50.8 mm Dia. x 250 mm FL; Uncoated; Double-Convex Lens
The KBX169 is a high-quality, double-convex lens offered by MKS/Newport. This lens, which features a base shape of a circle, is designed for use in spherical optical systems. The lens has a diameter of 50.8 mm and a thickness at the edge of 3 mm, while the center thickness is 5.512 mm.
The lens's effective focal length (EFL) is 250 mm, and the radius of curvature for the first surface (R1) is 257.464 mm, while the radius of curvature for the second surface (R2) is -257.464 mm. The back focal length (BFL) of this lens is 248.17 mm. The lens is made of n-BK7 Schott, a popular optical glass known for its excellent optical properties.
This lens is designed to operate at a wavelength of 589 nm. It is uncoated, which means it does not have any anti-reflective coatings. However, uncoated lenses can still provide high-quality imaging and are often used in applications where cost or simplicity are priorities.
Please note that the inner and outer radii of this lens are both 0 mm, indicating that this lens does not have any special features such as a recessed or beveled edge.
For more information about this lens, including pricing and availability, please visit the vendor's website using the provided weblink.