G313373331 12.7 mm Dia. N-BK7 Double-Concave Lens; EFL=-20mm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Qioptiq Photonics
Properties
- Shape
- Circular
- Diameter
- 12.7 mm
- EFL
- -20 mm
- R1
- -20.98 mm
- R2
- 20.98 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
G313373331 12.7 mm Dia. N-BK7 Double-Concave Lens; EFL=-20mm
This is a G313373331 12.7 mm Dia. N-BK7 Double-Concave Lens, with a focal length (EFL) of -20mm. The lens is sourced from Qioptiq Photonics, a renowned vendor in the field of precision optics.
The lens is a spherical type, specifically a symmetric concave-concave lens, with a base shape of a circle. It has a diameter of 12.7mm and a center thickness of 1.5mm. The inner and outer radii are both zero, indicating a uniform curvature.
The lens is made of N-BK7, a popular glass type in the optical industry, known for its excellent optical properties. The wavelength of operation is 588nm.
The lens features a coating on both the front and back surfaces. The coating is Qio AR/LAVIS AOI 45, which is designed to reduce reflection and increase transmission, enhancing the overall performance of the lens.
The item data indicates that this lens is in stock and available for purchase. For more detailed information, including pricing and availability, please refer to the provided weblink: https://www.qioptiq-shop.com/en/Precision-Optics/Singlets/Symmetric-Concave-Lenses/Symmetric-concave-lenses-unmounted-N-BK7.html