49-498 25mm Dia. x 200mm FL; NIR I Coated; DCX N-K5 Lens NIR I 600-1050nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 200 mm
- BFL
- 198.35 mm
- R1
- 208.34 mm
- R2
- -208.34 mm
Material
- Name
- N-K5
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5224870269234316
- λ
- 587.6 nm
- B1
- 1.08511833
- C1
- 0.00661099503 μm2
- B2
- 0.199562005
- C2
- 0.024110866 μm2
- B3
- 0.930511663
- C3
- 111.982777 μm2
49-498 25mm Dia. x 200mm FL; NIR I Coated; DCX N-K5 Lens NIR I 600-1050nm
The 49-498 is a Spherical Lens (Convex-Convex) type optical component with a base shape of Circular, sourced from the reputable vendor, Edmund Optics. This lens boasts a diameter of 25mm and a thickness edge of 4.25mm, with a thickness center of 5mm. The effective focal length (EFL) of this lens is 200mm, making it suitable for a variety of optical applications.
The lens's geometry includes a radius of curvature (R1) of 208.34mm on the first surface and a radius of curvature (R2) of -208.34mm on the second surface. The back focal length (BFL) is 198.35mm. The lens does not have an inner radius or an outer radius.
The lens is made of N-K5 Schott, a high-quality optical material known for its excellent transmission properties in the near-infrared (NIR) region. The wavelength of this lens is 587.6nm, which falls within the NIR spectrum.
The lens features a coating on both the front and back surfaces. The front coating is Edmund Optics' standard NIR-I coating, while the back coating is also Edmund Optics' standard NIR-I coating. These coatings are designed to optimize the lens's performance in the NIR region, specifically between 600nm and 1050nm.