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49-877 12.0mm Dia. x 20.0mm FL; Uncoated; Plano-Convex Lens

49-877 12.0mm Dia. x 20.0mm FL; Uncoated; Plano-Convex Lens

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

Properties

Shape
Circular
Diameter
12 mm
EFL
20 mm
BFL
17.69 mm
R1
10.34 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

49-877 12.0mm Dia. x 20.0mm FL; Uncoated; Plano-Convex Lens

The 49-877 is a Plano-Convex lens with a diameter of 12.0mm and a focal length of 20.0mm. This lens is sourced from Edmund Optics, a reputable vendor known for their high-quality optical components. The lens is uncoated, which means it does not have any additional layers to enhance its optical properties or protect it from environmental factors.

The lens's geometry is characterized by its base shape, which is circular, and its geometry, which includes a diameter of 12.0mm, a thickness at the edge of 1.58mm, and a thickness at the center of 3.5mm. The effective focal length (EFL) is 20.0mm, and the radius of curvature (R1) is 10.34mm. The back focal length (BFL) is 17.69mm, and both the inner and outer radii are 0mm.

The lens is made of n-BK7 Schott, a popular optical glass known for its excellent optical properties and versatility. It is designed to work with a wavelength of 587.6nm. The lens's shape is spherical, which is a common shape for optical lenses due to its ease of manufacturing and good optical performance.

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