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49-901-INK 20.0mm Dia. x 25.0mm FL; VIS 0deg; Inked; Plano-Convex Lens VIS 0° 425-675nm

49-901-INK 20.0mm Dia. x 25.0mm FL; VIS 0deg; Inked; Plano-Convex Lens VIS 0° 425-675nm

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

Properties

Shape
Circular
Diameter
20 mm
EFL
25 mm
BFL
22.76 mm
R1
19.62 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

49-901-INK 20.0mm Dia. x 25.0mm FL; VIS 0deg; Inked; Plano-Convex Lens VIS 0° 425-675nm

The 49-901-INK is a Plano-Convex lens, a type of spherical lens, sourced from Edmund Optics. This lens, with a diameter of 20.0mm, is designed for use within the visible light spectrum, specifically at a wavelength of 587.6nm. The lens features a front and back coating of edm vis-0 std curve, providing standard performance and durability.

The lens has a thickness of 1.26mm at the edge and 4mm at the center, with an effective focal length (EFL) of 25mm. The radius of curvature for the first surface (R1) is 19.62mm, and the back focal length (BFL) is 22.76mm. The lens does not have an inner or outer radius, indicating a uniform curvature.

The lens is made from n-sf11 Schott material, a high-index glass with excellent transmittance in the visible and near-infrared regions. This material is known for its low auto-fluorescence, making it suitable for applications where minimal background noise is required.

The lens is in stock and can be purchased directly from the Edmund Optics website, as indicated by the "weblink status" field in the item data. This lens is a versatile option for various applications that require a high-quality, visible light spherical lens.

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