G063059400 22.4 mm Dia. N-BK7 Mounted 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
G063059400 22.4 mm Dia. N-BK7 Mounted Double-Concave Lens; EFL=-30mm
This is a G063059400 22.4 mm Dia. N-BK7 Mounted Double-Concave Lens, featuring an effective focal length (EFL) of -30mm. 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-lenses-mounted N-BK7, as per the Sub Type classification. It has a base shape of Circular, with a diameter of 22.4mm. The center thickness of the lens is 1.5mm.
The lens's geometry is characterized by its double-concave structure, with the first radius of curvature (r1) at -31.396mm and the second radius (r2) at 31.396mm. The Inner Radius and Outer Radius are both zero, indicating a uniform curvature.
The lens is made of N-BK7 Schott, a popular material in the optical industry due to 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's performance by reducing reflection and increasing transmission.
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