45-912 6mm Dia. x -18 FL; VIS-NIR Coated; Plano-Concave Lens 400-1000nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 6 mm
- EFL
- -18 mm
- BFL
- -19.32 mm
- R1
- -9.3 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
45-912 6mm Dia. x -18 FL; VIS-NIR Coated; Plano-Concave Lens 400-1000nm
The 45-912 is a plano-concave lens with a 6mm diameter, offering a focal length of -18 and a central thickness of 2mm, tapering to 2.4mm at the edge. This lens is sourced from Edmund Optics, a reputable vendor in the optical industry.
The lens is crafted from n-BK7 Schott, a high-quality optical glass known for its excellent transparency and low dispersion. This makes it an ideal choice for applications that require high image quality and minimal chromatic aberration.
The 45-912 features a VIS-NIR coating, specifically the EDM VISNIR0SP2002000 coating, on both the front and back surfaces. This coating enhances the lens's performance in the visible and near-infrared spectrum, ranging from 400 to 1000nm. It provides superior protection against environmental factors, reduces surface reflections, and increases transmission, thereby improving overall system performance.
This lens is spherical in shape, a common choice for its ease of manufacturing and versatility in various applications. The plano-concave design is particularly useful in optical systems where a reduction in optical power or thickness is required.