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SLB-50.8-70NIR2 50.8 mm Dia. x -70.0 mm FL; Coated; Plano-Concave Lens 750-1550nm

SLB-50.8-70NIR2 50.8 mm Dia. x -70.0 mm FL; Coated; Plano-Concave Lens 750-1550nm

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

Properties

Shape
Circular
Diameter
50.8 mm
EFL
-70 mm
BFL
-72 mm
R1
-36.33 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-50.8-70NIR2 50.8 mm Dia. x -70.0 mm FL; Coated; Plano-Concave Lens 750-1550nm

The SLB-50.8-70NIR2 is a Plano-Concave Spherical Lens, 50.8 mm in diameter, with a focal length of -70.0 mm, specifically designed for use within the wavelength range of 750-1550nm. This lens is sourced from OptoSigma, a renowned vendor in the optical industry.

The lens is made from n-bk7 schott, a high-quality optical glass, and features a Plano-Concave geometry. The lens's thickness at the edge is 13.4 mm, while the center thickness is 3 mm. The effective focal length (EFL) is -70 mm, and the back focal length (BFL) is -72 mm. The inner and outer radii are both 0 mm, indicating a flat surface on one side and a curved surface on the other.

The SLB-50.8-70NIR2 is coated with Opt IR2 on both the front and back surfaces, enhancing its performance within the specified wavelength range. This coating helps to reduce reflection and increase transmission, making it ideal for use in various applications such as beam shaping, collimation, and imaging.

The lens is currently in stock and available for immediate purchase. For more information, please refer to the vendor's website using the provided weblink.

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