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47-673 6.25 mm Dia. N-BASF64/N-BK7/N-BASF64 Steinheil Achromatic Triplet; EFL=12.5mm MgF2 400-700nm

47-673 6.25 mm Dia. N-BASF64/N-BK7/N-BASF64 Steinheil Achromatic Triplet; EFL=12.5mm MgF2 400-700nm

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

Properties

Shape
Circular
Diameter
6.25 mm
EFL
12.5 mm
R1
7.81 mm
R2
4.09 mm

Material 1

Name
N-BASF64
Dispersion Equation
Sellmeier
n (λ)
1.7077938628679645
λ
550 nm
B1
1.65554268
C1
0.0104485644 μm2
B2
0.17131977
C2
0.0499394756 μm2
B3
1.33664448
C3
118.961472 μm2

Material 2

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 3

Name
N-BASF64
Dispersion Equation
Sellmeier
n (λ)
1.7077938628679645
λ
550 nm
B1
1.65554268
C1
0.0104485644 μm2
B2
0.17131977
C2
0.0499394756 μm2
B3
1.33664448
C3
118.961472 μm2

47-673 6.25 mm Dia. N-BASF64/N-BK7/N-BASF64 Steinheil Achromatic Triplet; EFL=12.5mm MgF2 400-700nm

The 47-673 is a high-quality achromatic triplet lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a 6.25 mm diameter, is designed for use in the visible light spectrum, specifically between 400-700 nm.

The lens features a focal length of 12.5 mm, making it suitable for a wide range of optical applications. It is constructed from three elements, made from N-BASF64 and N-BK7 Schott glass, which are known for their excellent optical properties.

The lens geometry is meticulously designed, with an inner radius of 0 and an outer radius of 0, ensuring optimal light transmission. The edge thickness is 7.7 mm, while the center thickness is 2 mm, providing robustness and stability to the lens.

The lens is coated with EDM MgF2 std curve on both the front and back surfaces, enhancing its light transmission capabilities and protecting it from environmental factors. The lens shape is a multiplet, which is a combination of multiple lenses, designed to correct optical aberrations and improve image quality.

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