ACT508-200-A-ML 50.8 mm Dia. N-BK7/N-SF2 Mounted Achromatic Doublet; EFL=200mm 400-700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- R1
- 106.2 mm
- R2
- -92.1 mm
Material 1
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5185223876207927
- λ
- 550 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
Material 2
- Name
- N-SF2
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6517389452840492
- λ
- 550 nm
- B1
- 1.47343127
- C1
- 0.0109019098 μm2
- B2
- 0.163681849
- C2
- 0.0585683687 μm2
- B3
- 1.36920899
- C3
- 127.404933 μm2
ACT508-200-A-ML 50.8 mm Dia. N-BK7/N-SF2 Mounted Achromatic Doublet; EFL=200mm 400-700nm
The ACT508-200-A-ML is a high-quality achromatic doublet lens, designed and manufactured by Thorlabs. This lens is specifically designed for use in the 400-700nm wavelength range, making it suitable for a wide range of optical applications.
The lens features a 50.8 mm diameter and has a focal length of 200mm, providing a high level of magnification and precision. The lens is constructed from two elements, made from N-BK7 and N-SF2 Schott glass, which are renowned for their excellent optical properties. These materials help to minimize chromatic aberration, ensuring that the lens delivers sharp, clear images.
The lens is coated with Thorlabs' AC400-700-A coating, which is designed to enhance the lens's performance in the 400-700nm range. This coating helps to reduce reflection and increase transmission, improving the overall efficiency of the lens.
The lens is mounted, making it easy to integrate into existing optical systems. The mount includes threads for easy attachment to other optical components. The lens also features a thickness of 12.8mm at the edge and 10.6mm and 6mm at the center, providing rigidity and stability.
