G313215400 22.4 mm Dia. N-BK7 Double-Concave Lens; EFL=-50mm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Qioptiq Photonics
Properties
- Shape
- Circular
- Diameter
- 22.4 mm
- EFL
- -50 mm
- R1
- -52.33 mm
- R2
- 52.33 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167817367777034
- λ
- 588 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
G313215400 22.4 mm Dia. N-BK7 Double-Concave Lens; EFL=-50mm
This is a G313215400 double-concave lens, featuring a 22.4 mm diameter and a center thickness of 1.5 mm. The lens is made of N-BK7, a popular glass type in the optical industry known for its excellent optical properties. The effective focal length (EFL) of this lens is -50mm, making it a concave-concave lens.
The lens's first radius of curvature (R1) is -52.33mm, and the second radius of curvature (R2) is 52.33mm, both measured from the center of the lens. The inner and outer radii are 0mm, indicating a symmetrical lens design.
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 coating is designed to reduce surface reflections and increase transmission, making it suitable for various applications.
This lens is sourced from Qioptiq Photonics, a renowned vendor in the field of precision optics. The web link provided leads to the product page on their official website, where you can find more information and purchase options. The link's status indicates that the product is currently in stock.
