67-555 25.0mm Dia. x 250.0mm FL; NIR II Coated; Plano-Convex Lens NIR II 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 150 mm
- BFL
- 147.81 mm
- R1
- 77.55 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
67-555 25.0mm Dia. x 250.0mm FL; NIR II Coated; Plano-Convex Lens NIR II 750-1550nm
This is a Plano-Convex lens, sourced from Edmund Optics, designed for use in the near-infrared spectrum, specifically for wavelengths between 750nm and 1550nm. The lens has a diameter of 25.0mm and a focal length of 250.0mm, making it suitable for a variety of applications that require high-quality imaging in the NIR II range.
The lens is made from n-BK7 Schott glass, a material known for its excellent optical properties and wide transparency range. This makes the lens ideal for use in environments where high light transmission and clarity are essential.
The lens features a standard NIR II coating on both the front and back surfaces. This coating is designed to enhance the lens's performance in the NIR II range, reducing surface reflections and increasing transmission. The coating also provides protection against environmental factors, such as dust and moisture, helping to maintain the lens's performance over time.
The geometry of the lens includes a thickness of 2.49mm at the edge and 3.5mm at the center. The lens's inner and outer radii are both 0mm, and the radius of curvature (R1) is 77.55mm. The back focal length (BFL) is 147.81mm, and the effective focal length (EFL) is 150mm.