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SLB-50B-220PIR1 50.0 mm Dia. x 220.9 mm FL; Coated; Double-Convex Lens 633-1064nm

SLB-50B-220PIR1 50.0 mm Dia. x 220.9 mm FL; Coated; Double-Convex Lens 633-1064nm

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

Properties

Shape
Circular
Diameter
50 mm
EFL
220.9 mm
BFL
219.1 mm
R1
228.36 mm
R2
-228.36 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-220PIR1 50.0 mm Dia. x 220.9 mm FL; Coated; Double-Convex Lens 633-1064nm

The SLB-50B-220PIR1 is a high-quality spherical lens offered by OptoSigma, designed with a double-convex geometry and a 50.0 mm diameter. This lens boasts a long focal length of 220.9 mm, making it suitable for various applications that require precise focusing and imaging.

The lens is made from the renowned N-BK7 glass from Schott, a material known for its excellent optical properties and versatility. The base shape of the lens is circular, allowing for uniform light transmission and minimal distortion.

The SLB-50B-220PIR1 features a coating of opt IR1 on both the front and back surfaces. This anti-reflection coating is specifically designed to operate within the wavelength range of 633-1064 nm, ensuring optimal performance for near-infrared applications.

The geometry of the lens includes a thickness of 3 mm at the edge and 5.7 mm at the center, providing robustness and stability. The lens's effective focal length (EFL) is 220.9 mm, while the back focal length (BFL) is 219.1 mm. The radii of curvature for the first and second surfaces are 228.36 mm and -228.36 mm, respectively.

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