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49-288-INK 50 mm Dia. N-BAK4/N-SF10 Achromatic Doublet; EFL=300mm VIS 0° 425-675nm

49-288-INK 50 mm Dia. N-BAK4/N-SF10 Achromatic Doublet; EFL=300mm VIS 0° 425-675nm

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

Properties

Shape
Circular
Diameter
50 mm
EFL
300 mm
R1
173.11 mm
R2
-164.03 mm

Material 1

Name
N-BAK4
Dispersion Equation
Sellmeier
n (λ)
1.5709961571059783
λ
550 nm
B1
1.28834642
C1
0.00779980626 μm2
B2
0.132817724
C2
0.0315631177 μm2
B3
0.945395373
C3
105.965875 μm2

Material 2

Name
N-SF10
Dispersion Equation
Sellmeier
n (λ)
1.7336618876174243
λ
550 nm
B1
1.62153902
C1
0.0122241457 μm2
B2
0.256287842
C2
0.0595736775 μm2
B3
1.64447552
C3
147.468793 μm2

49-288-INK 50 mm Dia. N-BAK4/N-SF10 Achromatic Doublet; EFL=300mm VIS 0° 425-675nm

The 49-288-INK is a high-quality achromatic doublet lens, boasting a 50 mm diameter and an effective focal length (EFL) of 300 mm, specifically designed for the visible light spectrum ranging from 425 to 675 nm. This lens is sourced from the reputable optical vendor, Edmund Optics, and is available for purchase through their website, currently listed as in stock.

This achromatic doublet lens is meticulously crafted from two distinct materials, N-BAK4 and N-SF10, both from the esteemed Schott glass catalog. The lens features a sophisticated geometry, with an edge thickness of 10.24 mm, a center thickness of 9 mm, and a center a thickness of 3.5 mm. The inner and outer radii are optimized for superior performance.

The lens is coated with the EDM VIS-0 standard curve on both the front and back surfaces, ensuring optimal light transmission and reducing unwanted reflections. The lens shape is a multiplet, further enhancing its optical capabilities.

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