PAC094 50.8 mm Dia. N-BK7/N-SF5 Visible Achromatic Doublet; EFL=750mm MgF2 400-700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- MKS/Newport
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- EFL
- 750 mm
- R1
- -336.76 mm
- R2
- -1010.2 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-SF5
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6771143911586193
- λ
- 550 nm
- B1
- 1.52481889
- C1
- 0.011254756 μm2
- B2
- 0.187085527
- C2
- 0.0588995392 μm2
- B3
- 1.42729015
- C3
- 129.141675 μm2
PAC094 50.8 mm Dia. N-BK7/N-SF5 Visible Achromatic Doublet; EFL=750mm MgF2 400-700nm
The PAC094 is a high-quality achromatic doublet lens from the renowned optical vendor MKS/Newport. This lens, with a diameter of 50.8 mm, is designed for use in the visible spectrum, specifically for wavelengths between 400 and 700 nm.
The lens is a multiplet, meaning it is composed of multiple optical elements. The primary materials used in its construction are N-BK7 and N-SF5, both high-grade Schott glasses known for their excellent optical properties. The use of these materials ensures high-quality imaging and minimal chromatic aberration.
The lens has an effective focal length (EFL) of 750mm, making it suitable for applications that require a long focal length. The lens's geometry is carefully designed with an inner radius of 0 and an outer radius of 0, providing a clean, circular profile. The thickness at the edge of the lens is 16.5 mm, while the center thickness is 17.5 mm, ensuring structural rigidity and minimal distortion.
The PAC094 is coated with MgF2 on both the front and back surfaces. This coating, designed specifically for the wavelength range of 400-700 nm, enhances the lens's transmission and reduces surface reflections, further improving image quality.
