G311382400 12.7 mm Dia. N-BK7 Double-Convex Lens; EFL=20mm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Qioptiq Photonics
Properties
- Shape
- Circular
- Diameter
- 12.7 mm
- EFL
- 20 mm
- R1
- 20.1 mm
- R2
- -20.1 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
G311382400 12.7 mm Dia. N-BK7 Double-Convex Lens; EFL=20mm
This is a G311382400 12.7 mm diameter N-BK7 double-convex lens, with a focal length (EFL) of 20mm. The lens is sourced from Qioptiq Photonics, a renowned vendor in the field of precision optics.
The lens is of the spherical type, specifically a convex-convex lens, with a base shape of a circle. The diameter of the lens is 12.7mm, and it has a center thickness of 3mm and an edge thickness of 0.9mm. The inner and outer radii are 0, indicating a symmetrical lens.
The lens is made of N-BK7, a popular glass type in the optical industry due to its excellent optical properties. The lens is coated with Qio Silver RAGV 45 on both the front and back surfaces, which enhances its performance in specific wavelength ranges.
The lens is designed to operate at a wavelength of 587.6nm. The provided web link leads to the product page on Qioptiq's official website, where users can find more information and can purchase the lens. According to the website, the lens is currently in stock, ensuring quick delivery upon order.