AL1225-A 12.5 mm Dia. S-LAH64 High-Precision; CNC Polished Aspheric Lenses; EFL=25 mm; NA=0.23 AR 350-700nm
- Type
- Lens
- Subtype
- Aspheric Lens
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- EFL
- 25 mm
- R1
- 12.78 mm
- R2
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5111833144579327
- λ
- 780 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
AL1225-A 12.5 mm Dia. S-LAH64 High-Precision; CNC Polished Aspheric Lenses; EFL=25 mm; NA=0.23 AR 350-700nm
The AL1225-A is a high-precision aspheric lens, meticulously crafted by Thorlabs. This lens boasts a 12.5 mm diameter and a focal length of 25 mm, making it an ideal choice for a wide range of optical applications.
The lens is constructed from n-BK7 Schott, a high-quality optical glass known for its excellent transparency and low dispersion. This material ensures that the lens delivers sharp, clear images with minimal chromatic aberration.
The aspheric design of the lens is a significant feature. Unlike spherical lenses, aspheric lenses have a non-spherical surface that reduces or eliminates spherical aberration, a common issue in imaging systems. This results in improved image quality, particularly at the edges of the field of view.
The lens is CNC polished, a process that ensures high surface accuracy and excellent surface quality. This makes the lens suitable for use in high-precision optical systems.
The lens also features anti-reflection coatings on both the front and back surfaces. These coatings, designed for the 350-700nm wavelength range, significantly reduce surface reflections, thereby improving light transmission and enhancing the overall performance of the lens.
