G052402400 12.7 mm Dia. N-BK7 Mounted 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
G052402400 12.7 mm Dia. N-BK7 Mounted Double-Concave Lens; EFL=-20mm
This is a G052402400 12.7 mm Dia. N-BK7 Mounted 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 of the Spherical type, specifically a Symmetric-concave lens, and is mounted on a circular base. It has a diameter of 12.7mm and a center thickness of 1.5mm. The inner and outer radii are both zero, indicating a symmetrical design.
The lens is made from N-BK7, a popular glass type in the optical industry, known for its excellent optical properties. It is designed to operate at a wavelength of 588nm.
The lens features a coating on both the front and back surfaces. The front coating is Qio Silver RAGV 45, and the back coating is also Qio Silver RAGV 45. This coating enhances the lens' performance by reducing reflection and increasing transmission.
The lens is currently in stock and can be purchased directly from the Qioptiq Photonics website. The provided weblink leads to the product page for easy access.
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