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49-497 25mm Dia. x 175mm FL; NIR I Coated; Double-Convex Lens NIR I 600-1050nm

49-497 25mm Dia. x 175mm FL; NIR I Coated; Double-Convex Lens NIR I 600-1050nm

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

Properties

Shape
Circular
Diameter
25 mm
EFL
175 mm
BFL
173.94 mm
R1
180.4 mm
R2
-180.4 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

49-497 25mm Dia. x 175mm FL; NIR I Coated; Double-Convex Lens NIR I 600-1050nm

The 49-497 is a high-quality double-convex lens, designed and manufactured by Edmund Optics, a leading global supplier of optical components. This lens boasts a diameter of 25mm and a focal length of 175mm, making it suitable for a wide range of applications.

The lens is constructed from N-BK7 Schott, a popular optical glass known for its excellent optical properties and versatility. The base shape of the lens is circular, and it features a standard spherical geometry. The radius of curvature for the first surface is 180.4, while the second surface has a radius of curvature of -180.4. The lens has an effective focal length (EFL) of 175mm and a back focal length (BFL) of 173.94mm.

The 49-497 lens is coated with Edmund Optics' NIR I standard curve coating on both the front and back surfaces. This coating is specifically designed for use in the near-infrared region, providing high transmission in the 600-1050nm wavelength range. The coating also offers excellent environmental resistance, ensuring the lens maintains its performance even in challenging conditions.

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