89-018 5.0mm Dia. x 20.0mm FL; Plano-Convex Lens Laser V-Coat 785nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 5 mm
- EFL
- 20 mm
- BFL
- 19.02 mm
- R1
- 10.34 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
89-018 5.0mm Dia. x 20.0mm FL; Plano-Convex Lens Laser V-Coat 785nm
The 89-018 is a Plano-Convex spherical lens, characterized by its circular base shape and a diameter of 5.0mm. This lens boasts a long focal length of 20.0mm, making it suitable for a wide range of applications. The lens is fabricated from the high-quality material n-BK7 Schott, ensuring excellent optical performance.
The lens's geometry includes a thickness edge of 1.19mm and a thickness center of 1.5mm. The inner and outer radii are 0mm, and the lens has a base focal length of 19.02mm and an effective focal length of 20.0mm.
The 89-018 lens features a laser-optimized V-coat with a center wavelength of 785nm on both the front and back surfaces. This coating enhances the lens's performance in laser applications, providing improved transmission and reduced reflection.
The lens is sourced from the reputable vendor Edmund Optics, and the provided weblink indicates that it is currently in stock. This information, along with the detailed specifications, should aid users in their selection process for optical components with similar properties.