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
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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