84-128 2 mm Dia. N-PSK53A/N-LASF9 Achromatic Doublet; EFL=4mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 2 mm
- EFL
- 4 mm
- R1
- 2.26 mm
- R2
- -2.26 mm
Material 1
- Name
- N-PSK53A
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6200834290222301
- λ
- 550 nm
- B1
- 1.38121836
- C1
- 0.00706416337 μm2
- B2
- 0.196745645
- C2
- 0.0233251345 μm2
- B3
- 0.886089205
- C3
- 97.4847345 μm2
Material 2
- Name
- N-LASF9
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.8558415959902288
- λ
- 550 nm
- B1
- 2.00029547
- C1
- 0.0121426017 μm2
- B2
- 0.298926886
- C2
- 0.0538736236 μm2
- B3
- 1.80691843
- C3
- 156.530829 μm2
84-128 2 mm Dia. N-PSK53A/N-LASF9 Achromatic Doublet; EFL=4mm VIS-NIR 400-1000nm
The 84-128 is a high-quality achromatic doublet lens from Edmund Optics, designed for use in the visible (VIS) and near-infrared (NIR) spectrum, specifically catering to the wavelength range of 400-1000nm. This lens, with a 2mm diameter, is a multiplet type, featuring a focal length (EFL) of 4mm, making it an ideal choice for applications that require a compact, high-performance lens.
The lens is composed of two types of glass, N-PSK53A and N-LASF9, both from Schott, which are renowned for their optical quality and performance. The lens is coated with EDMM VISNIR0SP2002000 on both the front and back surfaces, enhancing its transmission capabilities across the VIS-NIR spectrum.
The geometry of the lens is meticulously designed, with an edge thickness of 1.72mm, an inner radius of 0mm, and an outer radius of 0mm. The center thickness is 1mm, and the first and second radii (r1 and r2) are 2.26mm and -2.26mm, respectively. The third radius (r3) is -10mm, indicating a complex lens design that ensures high-quality imaging.
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