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47-881-INK 18.0mm Dia. x 36.0mm FL; VIS 0deg; Inked; Plano-Convex Lens VIS 0° 425-675nm

47-881-INK 18.0mm Dia. x 36.0mm 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
18 mm
EFL
36 mm
BFL
33.65 mm
R1
18.62 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5167984379050088
λ
587.6 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

47-881-INK 18.0mm Dia. x 36.0mm FL; VIS 0deg; Inked; Plano-Convex Lens VIS 0° 425-675nm

The 47-881-INK is a Plano-Convex lens, a type of spherical lens, sourced from Edmund Optics. This lens, with a diameter of 18.0mm, 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 1.25mm at the edge and 3.57mm at the center, with an effective focal length (EFL) of 36.0mm. The radius of curvature for the first surface (R1) is 18.62mm, and the back focal length (BFL) is 33.65mm. The lens is made from n-bk7 schott, a popular optical glass due to its excellent optical properties and relatively low cost.

The lens is inked, a process that adds a dye or pigment to the surface of the lens to enhance contrast and make it easier to handle. This lens is designed for use with a viewing angle of 0 degrees and is suitable for use with light within the 425-675nm range.

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