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SLB-50B-70NM 50.0 mm Dia. x -69.5 mm FL; Coated; Double-Concave Lens 400-700nm

SLB-50B-70NM 50.0 mm Dia. x -69.5 mm FL; Coated; Double-Concave Lens 400-700nm

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

Properties

Shape
Circular
Diameter
50 mm
EFL
-69.5 mm
BFL
-70.5 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-50B-70NM 50.0 mm Dia. x -69.5 mm FL; Coated; Double-Concave Lens 400-700nm

The SLB-50B-70NM is a high-quality double-concave lens, designed and manufactured by OptoSigma. This lens, with a diameter of 50.0 mm, is specifically designed for use within the wavelength range of 400-700nm, making it suitable for a wide range of optical applications.

The lens features a base shape of a circle, with a thickness at the edge of 11.9 mm and a center thickness of 3 mm. The effective focal length (EFL) of this lens is -69.5 mm, and it has a back focal length (BFL) of -70.5 mm. The first radius of curvature (R1) is -72.66 mm, while the second radius of curvature (R2) is 72.66 mm. The lens is made from n-BK7 Schott, a popular material in the optical industry due to its excellent optical properties.

The SLB-50B-70NM is coated with Opt M on both the front and back surfaces, enhancing its performance and durability. This coating helps to reduce reflection and increase transmission, making the lens more efficient in its function. The lens is spherical in shape, a common choice for many optical applications due to its ease of manufacturing and versatility.

According to the vendor's information, this lens is currently in stock and available for immediate purchase. For more detailed information or to make a purchase, users are encouraged to visit the provided weblink.

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