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49-548 12mm Dia. x -24mm FL; NIR I Coated; Double-Concave Lens 600-1050nm

49-548 12mm Dia. x -24mm FL; NIR I Coated; Double-Concave Lens 600-1050nm

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

Properties

Shape
Circular
Diameter
12 mm
EFL
-24 mm
BFL
-24.65 mm
R1
-25.14 mm
R2
25.14 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

49-548 12mm Dia. x -24mm FL; NIR I Coated; Double-Concave Lens 600-1050nm

The 49-548 is a high-quality double-concave lens, 12mm in diameter and featuring a focal length of -24mm. This lens is sourced from Edmund Optics, a renowned vendor known for their extensive catalog of optical elements. The lens is designed for use within the near-infrared spectrum, specifically between 600-1050nm, making it ideal for a variety of applications within this range.

The lens is constructed from n-BK7 Schott, a popular optical glass due to its excellent optical properties and versatility. It features a standard curve coating on both the front and back, specifically the EDM NIR-I std curve. This coating is designed to enhance the lens' performance within the near-infrared spectrum, providing improved transmission and reduced reflection.

The geometry of the lens is carefully crafted, with an inner radius of 0 and an outer radius of 0. The thickness at the edge of the lens is 3.31mm, while the thickness at the center is 2mm. The back focal length (BFL) is -24.65mm, and the effective focal length (EFL) is -24mm. The lens' base shape is circular, and its type is spherical, which is a common choice due to its ease of manufacturing and good optical performance.

The lens' specifications make it suitable for a wide range of applications within the near-infrared spectrum. It is currently in stock, according to the vendor's website, and further information can be found at the provided weblink.

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