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47-651-INK 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=500mm VIS 0° 425-675nm

47-651-INK 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=500mm VIS 0° 425-675nm

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

Properties

Shape
Circular
Diameter
25 mm
EFL
500 mm
R1
290.71 mm
R2
-232.07 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

47-651-INK 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=500mm VIS 0° 425-675nm

The 47-651-INK is a high-quality achromatic doublet lens, boasting a 25 mm diameter and an effective focal length (EFL) of 500mm, specifically designed for the visible light spectrum ranging from 425 to 675nm. This lens is sourced from the renowned optical vendor, Edmund Optics, and is available for purchase directly from their website.

This achromatic doublet lens is meticulously crafted from two types of Schott glass, N-BK7 and N-SF5, which are renowned for their exceptional optical properties. The lens features a sophisticated geometry, with an inner radius of 0mm, an outer radius of 0mm, and a thickness edge of 5.13mm. The center thickness is 3mm, while the center a thickness is 2.5mm, ensuring optimal light transmission and minimal distortion.

The lens is coated with Edmund Optics' standard VIS-0 curve on both the front and back surfaces, enhancing its light transmission capabilities and durability. The 47-651-INK is a multiplet lens, meaning it is composed of multiple elements to achieve superior optical performance.

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