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47-890-INK 20.0mm Dia. x 80.0mm FL; VIS 0deg; Inked; Plano-Convex Lens VIS 0° 425-675nm

47-890-INK 20.0mm Dia. x 80.0mm 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
80 mm
BFL
78.45 mm
R1
41.48 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

47-890-INK 20.0mm Dia. x 80.0mm FL; VIS 0deg; Inked; Plano-Convex Lens VIS 0° 425-675nm

The 47-890-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 has a front and back coating of edm vis-0 std curve, providing standard performance and durability.

The lens's geometry is characterized by its edge thickness of 1.13mm and center thickness of 2.35mm. It has an effective focal length (EFL) of 80.0mm, which is the distance from the lens's center to the focal point when the lens is imaging an object at infinity. The lens's front surface has a radius of curvature (R1) of 41.48mm, and its back focal length (BFL) is 78.45mm.

The lens is made from n-bk7 schott, a popular optical glass due to its excellent optical properties and relatively low cost. The lens's base shape is circular, and its shape is spherical. The weblink provided leads to the product page on the Edmund Optics website, where users can find more information and check the product's availability.

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