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45-295 20mm Dia. x 30mm FL; MgF2 Coated; Double-Convex Lens MgF2 400-700nm

45-295 20mm Dia. x 30mm FL; MgF2 Coated; Double-Convex Lens MgF2 400-700nm

Type
Lens
Subtype
Spherical Lens (Convex-Convex)
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
20 mm
EFL
30 mm
BFL
28.2 mm
R1
30.08 mm
R2
-30.08 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5167984379050088
λ
587.6 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

45-295 20mm Dia. x 30mm FL; MgF2 Coated; Double-Convex Lens MgF2 400-700nm

The 45-295 is a high-quality double-convex lens, boasting a 20mm diameter and a 30mm focal length. This lens is sourced from the reputable optical vendor, Edmund Optics, and is currently in stock, as indicated by its weblink status.

The lens is made from the high-grade material, n-bk7 schott, which is known for its excellent optical properties. The geometry of the lens is meticulously designed, with an edge thickness of 1.88mm and a center thickness of 5.3mm. The effective focal length (EFL) is 30mm, and the radii of curvature are R1 = 30.08mm and R2 = -30.08mm, demonstrating the double-convex nature of the lens. The back focal length (BFL) is 28.2mm.

The lens features a standard MgF2 coating on both the front and back surfaces, which is indicated by the coating parameter. This coating enhances the lens's performance in the wavelength range of 400-700nm, making it suitable for a wide range of applications.

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