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45-354 50 mm Dia. N-BAK4/N-SF10 Achromatic Doublet; EFL=350mm MgF2 400-700nm

45-354 50 mm Dia. N-BAK4/N-SF10 Achromatic Doublet; EFL=350mm MgF2 400-700nm

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

Properties

Shape
Circular
Diameter
50 mm
EFL
350 mm
R1
227.16 mm
R2
-174.83 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

45-354 50 mm Dia. N-BAK4/N-SF10 Achromatic Doublet; EFL=350mm MgF2 400-700nm

The 45-354 is a high-quality achromatic doublet lens, boasting a 50 mm diameter and a focal length of 350 mm. This lens is sourced from the renowned optical vendor, Edmund Optics, and is available for purchase on their official website. The product link provided is currently valid and indicates that the item is in stock.

The lens is constructed from two types of glass, N-BAK4 and N-SF10, both from Schott. These materials are known for their excellent optical properties, contributing to the lens's high performance. The lens features a front and back coating of EDM MgF2 std curve, which enhances its light transmission capabilities and reduces surface reflections.

The lens's geometry is carefully designed, with a diameter of 50 mm, a thickness at the edge of 10.07 mm, and a center thickness of 8 mm. The inner and outer radii are 0 mm, and the lens has a central thickness 'a' of 4 mm. The curvature radii are R1 = 227.16 mm, R2 = -174.83 mm, and R3 = -571.49 mm. These specifications contribute to the lens's high-quality imaging capabilities.

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