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63-692 4 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=12mm MgF2 400-700nm

63-692 4 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=12mm MgF2 400-700nm

Type
Lens
Subtype
Multiplets
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
4 mm
EFL
12 mm
R1
7.35 mm
R2
-5.09 mm

Material 1

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5185223876207927
λ
550 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

Material 2

Name
N-SF5
Dispersion Equation
Sellmeier
n (λ)
1.6771143911586193
λ
550 nm
B1
1.52481889
C1
0.011254756 μm2
B2
0.187085527
C2
0.0588995392 μm2
B3
1.42729015
C3
129.141675 μm2

63-692 4 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=12mm MgF2 400-700nm

The 63-692 is a high-quality achromatic doublet lens, sourced from the renowned optical components vendor, Edmund Optics. This lens is designed with a 4 mm diameter and a focal length of 12 mm, making it suitable for a wide range of optical applications.

The lens is composed of two elements, made from N-BK7 and N-SF5 Schott glass, respectively. These materials are chosen for their excellent optical properties, contributing to the lens's high performance. The lens features a standard MgF2 coating on both the front and back surfaces, which enhances its transmission capabilities within the 400-700nm spectral range.

The geometry of the lens is carefully crafted, with an inner radius of 0 and an outer radius of 0, ensuring optimal light transmission and minimal distortion. The lens's edge thickness is 2.39 mm, while the center thickness is 1.8 mm, providing a robust and durable structure.

This lens is a multiplet, meaning it consists of multiple elements, which allows for more complex optical designs and corrections. The curvature of the lens elements is precisely engineered, with radii of 7.35 mm, -5.09 mm, and -14.6 mm, contributing to the lens's high chromatic correction and minimal spherical aberration.

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