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69-498 25.0mm Dia. x 60.0mm FL; Plano-Convex Lens Laser V-Coat 785nm

69-498 25.0mm Dia. x 60.0mm FL; Plano-Convex Lens Laser V-Coat 785nm

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

Properties

Shape
Circular
Diameter
25 mm
EFL
60 mm
BFL
56.9 mm
R1
31.01 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5110795649082278
λ
785 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

69-498 25.0mm Dia. x 60.0mm FL; Plano-Convex Lens Laser V-Coat 785nm

The 69-498 is a Plano-Convex spherical lens, characterized by its circular base shape and a diameter of 25.0mm. This lens is designed with a long focal length of 60.0mm, making it suitable for a variety of applications that require precise focusing. The lens is fabricated from the high-quality material n-BK7 Schott, ensuring excellent optical performance.

The lens features a V-coat 785nm coating on both the front and back surfaces, enhancing its performance in laser applications at a wavelength of 785nm. This coating is specifically designed to reduce reflection and increase transmission, thereby improving the efficiency and effectiveness of the lens in its intended use.

The geometry of the lens includes a thickness of 2.07mm at the edge and 4.7mm at the center. The effective focal length (EFL) is 60.0mm, and the radius of curvature (R1) is 31.01mm. The back focal length (BFL) is 56.9mm, and both the inner and outer radii are 0mm.

This lens is available from Edmund Optics, a reputable vendor known for its extensive catalog of optical elements. According to the vendor's website, the lens is currently in stock, ensuring quick and reliable delivery.

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