G311378331 18 mm Dia. N-BK7 Double-Convex Lens; EFL=16mm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Qioptiq Photonics
Properties
- Shape
- Circular
- Diameter
- 18 mm
- EFL
- 16 mm
- R1
- 15.18 mm
- R2
- -15.18 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
G311378331 18 mm Dia. N-BK7 Double-Convex Lens; EFL=16mm
The G311378331 is a high-quality double-convex lens, boasting an 18 mm diameter and a focal length of 16 mm. This lens is sourced from Qioptiq Photonics, a renowned vendor in the field of precision optics. The lens features a base shape of a perfect circle, ensuring optimal light transmission and minimal distortion.
The lens is crafted from N-BK7, a popular glass type in the optical industry, known for its excellent optical properties. This material is particularly suitable for applications in the visible spectrum, with a wavelength of 587.6 nm. The lens's geometry includes a thickness of 1.1 mm at the edge and 7 mm at the center, providing a robust structure while maintaining a sleek profile.
The G311378331 lens is coated with Qio AL RALVIS AOI 45 on both the front and back surfaces. This anti-reflection coating enhances the lens's performance by reducing surface reflections and increasing transmission, thereby improving overall image quality.
This lens is a spherical type, which is a common choice for many optical systems due to its ease of manufacturing and versatile applications. The lens's curvature is defined by radii of 15.179 mm on both the front and back surfaces, ensuring a symmetrical optical path.