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63-619 25mm Dia. x 30mm FL; VIS 0deg Coated; Double-Convex Lens VIS 0deg 425-675nm

63-619 25mm Dia. x 30mm FL; VIS 0deg Coated; Double-Convex Lens VIS 0deg 425-675nm

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

Properties

Shape
Circular
Diameter
25 mm
EFL
30 mm
BFL
28.31 mm
R1
39.22 mm
R2
-39.22 mm

Material

Name
N-SF5
Dispersion Equation
Sellmeier
n (λ)
1.6727030184452947
λ
587.6 nm
B1
1.52481889
C1
0.011254756 μm2
B2
0.187085527
C2
0.0588995392 μm2
B3
1.42729015
C3
129.141675 μm2

25mm Dia. x 30mm FL Visible Light Double-Convex Lens with VIS 0° Coating

This item is a 25mm diameter x 30mm focal length double-convex lens, designed for use with visible light. The lens is sourced from Edmund Optics, a reputable vendor in the optical industry. It is made from n-SF5 Schott, a high-quality optical glass known for its excellent transmittance and low auto-fluorescence.

The lens features a double-convex geometry, with radii of curvature of 39.22mm for the first surface and -39.22mm for the second surface. This geometry results in a back focal length of 28.31mm and an effective focal length of 30mm. The lens has a thickness of 1.41mm at the edge and 5.5mm at the center, providing robustness and stability.

The lens is coated with the EDM VIS-0 STD curve on both the front and back surfaces. This coating is designed to enhance the lens's performance in the visible light spectrum, specifically between 425nm and 675nm. It reduces surface reflections, improves transmittance, and increases the lens's overall efficiency.

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