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G063059331 22.4 mm Dia. N-BK7 Mounted Double-Concave Lens; EFL=-30mm

G063059331 22.4 mm Dia. N-BK7 Mounted Double-Concave Lens; EFL=-30mm

Type
Lens
Subtype
Spherical Lens (Concave-Concave)
Brand
Qioptiq Photonics
Product webpage
Qioptiq Photonics products in the 3DOptix catalog

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

G063059331 22.4 mm Dia. N-BK7 Mounted Double-Concave Lens; EFL=-30mm

This is a G063059331 model double-concave lens, featuring a 22.4 mm diameter and a center thickness of 1.5 mm. The lens is made of N-BK7, a popular optical glass from Schott, known for its excellent optical properties and versatility. The effective focal length (EFL) of this lens is -30mm, making it a concave lens that diverges light.

The lens's geometry includes two radii of curvature, R1 and R2, which are -31.396mm and 31.396mm respectively. These radii determine the lens's concave shape, which is symmetrical around the center. The lens's inner and outer radii are both 0, indicating that the lens's edges are perpendicular to the optical axis.

The lens is coated with Qio AL RALVIS AOI 45 on both the front and back surfaces. This coating enhances the lens's performance by reducing reflection and increasing transmission, particularly at the wavelength of 588nm.

This lens is sourced from Qioptiq Photonics, a leading vendor in the field of precision optics. According to the vendor's information, the lens is in stock and available for immediate purchase.

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