45-408 5 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=20mm MgF2 400-700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 5 mm
- EFL
- 20 mm
- R1
- 14.11 mm
- R2
- -8.63 mm
Material 1
- Name
- N-BAF10
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6730569473646495
- λ
- 550 nm
- B1
- 1.5851495
- C1
- 0.00926681282 μm2
- B2
- 0.143559385
- C2
- 0.0424489805 μm2
- B3
- 1.08521269
- C3
- 105.613573 μm2
Material 2
- Name
- N-SF10
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7336618876174243
- λ
- 550 nm
- B1
- 1.62153902
- C1
- 0.0122241457 μm2
- B2
- 0.256287842
- C2
- 0.0595736775 μm2
- B3
- 1.64447552
- C3
- 147.468793 μm2
45-408 5 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=20mm MgF2 400-700nm
The 45-408 is a high-quality achromatic doublet lens, measuring 5 mm in diameter and featuring an effective focal length (EFL) of 20mm. This lens is sourced from the renowned optical vendor, Edmund Optics, and is available for purchase on their official website. The product link provided is valid and indicates that the item is currently in stock.
The lens is constructed from two types of Schott glass, N-BAF10 and N-SF10, which are renowned for their excellent optical properties. The lens is designed in a multiplet shape, with a center thickness of 1.61mm and an edge thickness of 2.38mm. The inner and outer radii of the lens are 0mm, and the curvature radii are 14.11mm for the first surface and -8.63mm for the second surface. The third surface has a curvature radius of -75.59mm.
The lens is coated with Edmund Optics' standard MgF2 coating on both the front and back surfaces, ensuring optimal light transmission within the 400-700nm spectral range. This coating is part of the standard curve offered by Edmund Optics, providing a balance between cost and performance.
