89-281 30mm Dia. x 120mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 30 mm
- EFL
- 120 mm
- BFL
- 118.34 mm
- R1
- 123.17 mm
- R2
- -123.17 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
89-281 30mm Dia. x 120mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm
The 89-281 is a high-quality double-convex lens, sourced from the renowned optical component vendor, Edmund Optics. This lens boasts a 30mm diameter and a focal length of 120mm, making it suitable for a wide range of optical applications.
The lens is crafted from Schott's n-BK7 glass, a material known for its excellent optical properties and versatility. The base shape of the lens is circular, and it features a double-convex geometry, with radii of curvature of 123.17mm and -123.17mm for the first and second surfaces, respectively. This geometry results in a back focal length of 118.34mm.
The 89-281 is coated with YAG-BBAR, a broadband anti-reflection coating that enhances its performance in the 500-1100nm wavelength range. This coating reduces surface reflections, thereby improving transmission and image quality. The lens has a thickness of 3.17mm at the edge and 5mm at the center.
This lens is currently in stock and available for immediate purchase through the Edmund Optics website. Its detailed specifications, coupled with its availability, make it an excellent choice for users in need of a reliable and high-performing optical component.