89-146 10mm Dia. x 30mm FL; VIS-EXT Coated; Double-Convex Lens VIS-EXT 350-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 10 mm
- EFL
- 30 mm
- BFL
- 29.17 mm
- R1
- 30.58 mm
- R2
- -30.58 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
89-146 10mm Dia. x 30mm FL; VIS-EXT Coated; Double-Convex Lens VIS-EXT 350-700nm
The 89-146 is a double-convex lens with a diameter of 10mm and a focal length of 30mm, making it a versatile choice for various optical applications. This lens is sourced from Edmund Optics, a reputable vendor known for its high-quality optical components.
The lens is made from n-BK7 Schott, a popular optical glass due to its excellent optical properties and high homogeneity. The base shape of the lens is circular, and it features a double-convex geometry with inner and outer radii of 0mm each. The lens has a thickness of 1.68mm at the edge and 2.5mm at the center, providing a robust structure.
The lens is coated with EDM VIS-EXT on both the front and back surfaces. This coating enhances the lens's performance in the visible light spectrum, specifically within the 350-700nm range. The coating ensures high transmission and low reflection, making it suitable for applications that require high light transmission and minimal loss.
The lens's effective focal length (EFL) is 30mm, and the back focal length (BFL) is 29.17mm. This lens is a spherical type, which is commonly used in various optical systems due to its ease of manufacturing and versatility.