PAC10AR.15 12.5 mm Dia. N-FK5/N-F2 Achromatic Doublet; EFL=25mm UV-VIS 345-700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- MKS/Newport
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- EFL
- 25 mm
- R1
- -11.48 mm
- R2
- -30.1 mm
Material 1
- Name
- N-FK5
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4889720412922705
- λ
- 550 nm
- B1
- 0.844309338
- C1
- 0.00475111955 μm2
- B2
- 0.344147824
- C2
- 0.0149814849 μm2
- B3
- 0.910790213
- C3
- 97.8600293 μm2
Material 2
- Name
- N-F2
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6236565068581217
- λ
- 550 nm
- B1
- 1.39757037
- C1
- 0.00995906143 μm2
- B2
- 0.159201403
- C2
- 0.0546931752 μm2
- B3
- 1.2686543
- C3
- 119.248346 μm2
PAC10AR.15 12.5 mm Dia. N-FK5/N-F2 Achromatic Doublet; EFL=25mm UV-VIS 345-700nm
The PAC10AR.15 is a high-quality achromatic doublet lens from MKS/Newport, designed for use in the UV-VIS spectrum, specifically between 345 and 700nm. This lens, with a catalog number PAC10AR.15, is a multiplet type, featuring a base shape that is circular.
The lens has a diameter of 12.5mm and a thickness at the edge of 4.99mm. The inner and outer radii are both zero, indicating a symmetrical design. The effective focal length (EFL) of this lens is 25mm, making it suitable for a variety of optical applications.
The lens is composed of two types of glass, N-FK5 and N-F2, both from Schott. This combination helps to correct chromatic aberration, a common issue in optical systems. The lens features new AR-15 coatings on both the front and back surfaces, which help to reduce reflection and increase transmission.
The geometry of the lens is also noteworthy. The first surface has a radius of curvature (R) of 15.08mm, while the second surface has an R of -11.48mm. The third surface has an R of -30.1mm. The thickness at the center of the first and second surfaces is 5mm and 2mm, respectively, resulting in a total center thickness of 7mm.
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