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A microscope objective with incredible image flatness over the entire 25mm field of view.

CFI Plan Achromat Series objective lenses. Nikon's CFI Plan Achromat series provides incredible image flatness over the entire 25mm field of view, with chromatic aberration correction throughout the entire visible spectrum. These objectives are suitable for routine laboratory work and  photomicrography.

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Specifications

ModelDimensionsTransmittanceNAW.D.
(mm)
Cover glass thicknessCorrection ringObservation
CFI Plan Achromat 1XDiagramGraph0.043.20BF, POL*, FL (visible light*)
CFI Plan Achromat 2XDiagramGraph0.067.50BF, POL*, FL (visible light*)
CFI Plan Achromat 4XDiagramGraph0.1030.00BF, POL*, FL (visible light)
CFI Plan Achromat 10XDiagramGraph0.2510.50BF, DF (Dry), POL*, FL (visible light)
CFI Plan Achromat 20XDiagramGraph0.401.200.17BF, DF (Dry/Oil), POL*, FL (visible light)
CFI Plan Achromat 40XDiagramGraph0.650.560.17BF, DF (Dry/Oil), POL*, FL (visible light)
CFI Plan Achromat 50X OilDiagramGraph0.900.35-0.180-0.17BF, DF (Oil), POL*, FL (visible light)
CFI Plan Achromat 100X OilDiagramGraph1.250.200.17BF, POL*, FL (visible light)
CFI Plan Achromat LWD IMSI 100XCDiagram0.851.30-0.95 (0.9 with cover glass thickness of 0.9 mm)0.60-1.30BF, DF (Oil), DIC, POL, FL (visible light)

BF: Brightfield
DF: Darkfield
PH: Phase contrast
POL: Simple polarizing
FL: Fluorescence

*Possible but not recommended

**External phase contrast observation is possible with Eclipse Ti2-E