63-681 20mm Dia. x 60mm FL; VIS-NIR Coated; Double-Convex Lens VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 60 mm
- BFL
- 58.67 mm
- R1
- 61.33 mm
- R2
- -61.33 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
63-681 20mm Dia. x 60mm FL; VIS-NIR Coated; Double-Convex Lens VIS-NIR 400-1000nm
This is a high-quality double-convex lens, 20mm in diameter and 60mm in focal length, sourced from the renowned optical components manufacturer, Edmund Optics. The lens is designed for use within the visible to near-infrared spectrum, specifically catering to the wavelength range of 400-1000nm.
The lens is made from the high-grade material, n-BK7 Schott, which is known for its excellent optical properties, making it suitable for a wide range of applications. The lens features a double-convex geometry, with radii of curvature of 61.33mm for both the front and rear surfaces, contributing to its superior optical performance.
The lens is coated with a VIS-NIR coating, specifically the EDM VISNIR0SP2002000 coating, on both the front and rear surfaces. This coating enhances the lens's performance within the specified wavelength range, reducing surface reflections and increasing transmission.
The lens has a thickness of 2.36mm at the edge and 4mm at the center, and a back focal length of 58.67mm. The lens's base shape is circular, and it does not have any inner or outer radius specifications.