G311357322 31.5 mm Dia. N-BK7 Double-Convex Lens; EFL=70mm 450-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Qioptiq Photonics
Properties
- Shape
- Circular
- Diameter
- 31.5 mm
- EFL
- 70 mm
- R1
- 72.86 mm
- R2
- -72.86 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
G311357322 31.5 mm Dia. N-BK7 Double-Convex Lens; EFL=70mm 450-700nm
This is a G311357322 double-convex lens, featuring a 31.5 mm diameter and a focal length of 70mm, specifically designed for use within the wavelength range of 450-700nm. The lens is sourced from Qioptiq Photonics, a reputable vendor known for their high-quality optical components.
The lens is made of N-BK7, a popular glass type in the optical industry due to its excellent optical properties. This material is characterized by a high refractive index and low dispersion, making it suitable for a wide range of applications. The lens features a double-convex geometry with a 72.862mm radius on both the front and back surfaces, ensuring excellent focusing capabilities.
The lens has a thickness of 2.1mm at the edge and 5.5mm at the center, providing a robust structure while maintaining a compact profile. The front and back surfaces of the lens are coated with qio bbar arb2visnbk7, a broadband anti-reflection coating that enhances transmission and reduces unwanted reflections.
This lens is available for purchase through the Qioptiq Photonics website, where you can find more detailed specifications and compatibility information. Please note that the link provided leads to the vendor's website, and we cannot guarantee the availability or pricing of the item.