45-347 9 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=45mm MgF2 400-700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 9 mm
- EFL
- 45 mm
- R1
- 27.83 mm
- R2
- -19.75 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
45-347 9 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=45mm MgF2 400-700nm
The 45-347 is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens is specifically designed for use in the 400-700nm spectral range, making it suitable for a wide range of optical applications.
The lens features a 9mm diameter and an effective focal length (EFL) of 45mm, providing a compact yet powerful optical solution. The lens is constructed from two types of glass, N-BK7 and N-SF5, both from Schott, ensuring high-quality optical performance.
The lens's geometry is meticulously designed, with a central thickness of 3mm and edge thickness of 3.76mm. The lens's first and second radii are 27.83mm and -19.75mm respectively, while the third radius is -57.06mm. This complex geometry is designed to minimize optical aberrations, ensuring sharp, clear images.
The lens is coated with Edmund Optics' standard MgF2 coating on both the front and back surfaces, optimized for the 400-700nm spectral range. This coating enhances the lens's transmission and reduces surface reflections, further improving optical performance.
