PAC12AR.15 12.5 mm Dia. N-FK5/N-F2 Achromatic Doublet; EFL=40mm UV-VIS 345-700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- MKS/Newport
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- EFL
- 40 mm
- R1
- -19.17 mm
- R2
- -50.19 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
PAC12AR.15 12.5 mm Dia. N-FK5/N-F2 Achromatic Doublet; EFL=40mm UV-VIS 345-700nm
The PAC12AR.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 PAC12AR.15, is a multiplet type, featuring a base shape that is circular. It is available for purchase directly from the vendor's website, where it is currently in stock.
The lens has a diameter of 12.5mm and a thickness at the edge of 4.3mm. The inner and outer radii are both zero, indicating a symmetrical design. The effective focal length (EFL) of the lens is 40mm, making it suitable for a variety of optical applications. The lens's front and back surfaces are coated with New AR-15, a broadband anti-reflection coating designed for high performance in the UV-VIS range.
The lens is composed of two types of glass, N-FK5 and N-F2, both from Schott. These glasses are chosen for their excellent optical properties and ability to minimize chromatic aberration, a common issue in lens systems. The lens's geometry is complex, with three radii of curvature (r, r1, and r2) and three thicknesses (thickness center 1, thickness center 2, and thickness center). This design allows for precise control over the lens's optical performance.
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