49-313 9 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=12mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 9 mm
- EFL
- 12 mm
- R1
- 8.37 mm
- R2
- -7.01 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-SF57
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.854148364121864
- λ
- 550 nm
- B1
- 1.87543831
- C1
- 0.0141749518 μm2
- B2
- 0.37375749
- C2
- 0.0640509927 μm2
- B3
- 2.30001797
- C3
- 177.389795 μm2
49-313 9 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=12mm VIS-NIR 400-1000nm
The 49-313 is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens is specifically designed for use in the visible (VIS) and near-infrared (NIR) spectrum, spanning 400-1000nm. The lens is a multiplet, meaning it is composed of multiple optical elements, in this case, two, to achieve superior optical performance.
The lens has a diameter of 9mm and an effective focal length (EFL) of 12mm, making it suitable for a wide range of applications where compactness and high performance are required. The lens's geometry includes an edge thickness of 5.3mm, an inner radius of 0mm, and an outer radius of 0mm. The first radius of curvature (r1) is 8.37mm, the second radius (r2) is -7.01mm, and the third radius (r3) is -26.18mm. The center thickness is 5mm, with a center thickness 'a' of 2mm.
The lens is made from two types of Schott glass, N-BAF10 and N-SF57, which are known for their excellent optical properties. The lens is coated with Edmund Optics' VIS-NIR coating (edm visnir0sp2002000) on both the front and back surfaces, enhancing its performance in the VIS-NIR spectrum.
