G313206322 22.4 mm Dia. N-BK7 Double-Concave Lens; EFL=-30mm 450-700nm
- 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
G313206322 22.4 mm Dia. N-BK7 Double-Concave Lens; EFL=-30mm 450-700nm
This is a G313206322 double-concave lens, sourced from the reputable optical components vendor, Qioptiq Photonics. The lens has a base shape of a circle and is constructed from N-BK7 glass, a popular material in the optical industry due to its excellent optical properties.
The lens has a diameter of 22.4 mm and a center thickness of 1.5 mm. The effective focal length (EFL) of this lens is -30mm, making it a concave-concave lens. The first radius of curvature (R1) is -31.396mm, and the second radius of curvature (R2) is 31.396mm. The lens does not have an inner or outer radius.
This lens is designed to work with a wavelength of 588nm. It comes with a coating on both the front and back surfaces, specifically the Qio Bbar Arb2visnbk7 coating. This coating enhances the lens's performance in the visible light spectrum.
The lens's geometry is spherical, a common shape in optical lenses due to its ease of manufacturing and good optical performance. This lens is currently in stock and available for purchase through the provided weblink.