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48-691 12mm Dia. x -15 FL; VIS 0deg Coated; Plano-Concave Lens 425-675nm

48-691 12mm Dia. x -15 FL; VIS 0deg Coated; Plano-Concave Lens 425-675nm

Type
Lens
Subtype
Spherical Lens (Plano-Concave)
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
12 mm
EFL
-15 mm
BFL
-16.68 mm
R1
-11.77 mm

Material

Name
N-SF11
Dispersion Equation
Sellmeier
n (λ)
1.7847141030246312
λ
587.6 nm
B1
1.73759695
C1
0.013188707 μm2
B2
0.313747346
C2
0.0623068142 μm2
B3
1.89878101
C3
155.23629 μm2

48-691 12mm Dia. x -15 FL; VIS 0deg Coated; Plano-Concave Lens 425-675nm

The 48-691 is a Plano-Concave Spherical Lens with a 12mm diameter, offering a -15 FL (Focal Length) and a wavelength coverage of 425-675nm. This lens is sourced from Edmund Optics, a reputable vendor known for its high-quality optical components.

The lens is made from n-sf11 Schott, a popular material in the optical industry due to its excellent optical properties. It features a front and back coating of EDM VIS-0 STD CURVE, providing improved light transmission and reduced surface reflections.

The geometry of the lens includes a 4.47mm thickness at the edge and a 3mm thickness at the center. The inner and outer radii are both 0, indicating a flat surface on both sides of the lens. The back focal length (BFL) is -16.68mm, and the effective focal length (EFL) is -15mm.

The lens is available for purchase through the provided weblink, which is currently valid and indicates the product is in stock. This makes it an ideal choice for users looking for a reliable and readily available Plano-Concave Spherical Lens.

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