G313206400 22.4 mm Dia. N-BK7 Double-Concave Lens; EFL=-30mm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Qioptiq Photonics
Properties
- Shape
- Circular
- Diameter
- 22.4 mm
- EFL
- -30 mm
- R1
- -31.4 mm
- R2
- 31.4 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167817367777034
- λ
- 588 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
G313206400 22.4 mm Dia. N-BK7 Double-Concave Lens; EFL=-30mm
This is a G313206400 22.4 mm Dia. N-BK7 Double-Concave Lens, a high-quality optical component sourced from Qioptiq Photonics. The lens, which has a double-concave structure, is designed for use with a wavelength of 588 nm.
The lens features a base shape of a circle with a diameter of 22.4 mm. The center thickness of the lens is 1.5 mm, and it has an effective focal length (EFL) of -30 mm. The first radius of curvature (R1) is -31.396 mm, while the second radius of curvature (R2) is 31.396 mm. The lens does not have an inner or outer radius.
The lens is made from N-BK7 Schott, a popular material in the optical industry due to its excellent optical properties. The lens is coated with qio silver ragv 45 on both the front and back surfaces, which enhances its performance in specific applications.
The lens is currently in stock and available for purchase. For more information, please refer to the vendor's website at https://www.qioptiq-shop.com/en/Precision-Optics/Singlets/Symmetric-Concave-Lenses/Symmetric-concave-lenses-unmounted-N-BK7.html.