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SLB-15B-70P 15.0 mm Dia. x 70.5 mm FL; Double-Convex Lens Uncoated

SLB-15B-70P 15.0 mm Dia. x 70.5 mm FL; Double-Convex Lens Uncoated

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

Properties

Shape
Circular
Diameter
15 mm
EFL
70.5 mm
BFL
69.5 mm
R1
72.66 mm
R2
-72.66 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.518720636186463
λ
546.1 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

SLB-15B-70P 15.0 mm Dia. x 70.5 mm FL; Double-Convex Lens Uncoated

The SLB-15B-70P is a 15.0 mm diameter double-convex lens with a focal length of 70.5 mm, sourced from OptoSigma. This lens is made of n-bk7 schott material, a popular choice for its high refractive index and low dispersion, making it ideal for a wide range of optical applications.

The lens features a base shape of a circle, with a thickness of 2 mm at the edge and 2.8 mm at the center. The effective focal length (EFL) is 70.5 mm, while the back focal length (BFL) is 69.5 mm. The radii of curvature for the first and second surfaces are 72.66 mm and -72.66 mm, respectively.

Notably, this lens is uncoated, which means it does not have any anti-reflective coatings. While this may result in a higher level of internal reflection, it also means the lens is more cost-effective and versatile, as it can be used in a wide range of wavelengths without the risk of coating damage.

The lens is currently in stock and available for purchase through the provided weblink. With its high-quality materials and precise specifications, the SLB-15B-70P is a reliable choice for various optical systems and setups.

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