NK-290 Series Upright Biological Microscope with Infinity Plan Objective
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Product Description
Items | Specification | NK-290EB | NK-290B | NK-290ET | NK-290T |
Seidentopf Binocular Head | Inclined 30°, Rotatable 360°, Interpupillary Distance: 48-75mm | ● | ● | ໐ | ໐ |
Seidentopf Trinocular Head | Inclined 30°, Rotatable 360°, Interpupillary Distance: 48-75mm, Light Distribution: 20:80 | ໐ | ໐ | ● | ● |
Digital Head | 5 MP Pixel Digital Head, 1/2’’CMOS color sequential scanning. USB2.0, Light Distribution: 20:80 | ໐ | ໐ | ໐ | ໐ |
Eyepiece |
WF10X/20mm (High eyepoint) WF16X |
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Infinity E-Plan Achromatic Objectives |
EPLAN 4X/0.10, W.D.=12.1mm EPLAN 10X/0.25, W.D.=4.14mm EPLAN 40X/0.65(S), W.D.=0.58mm EPLAN 100X/1.25(S, Oil), W.D.=0.19mm |
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Infinity Plan Achromatic Objectives |
PLAN 4x/0.10, W.D.=12.1mm PLAN 10x/0.25, W.D.=4.64mm PLAN 40x(S)/0.66, W.D.=0.65mm PLAN 100x(S, Oil)/1.25, W.D.=0.12mm PLAN 2.5x/0.07, W.D.=8.47mm PLAN 20x(S)/0.40, W.D.=2.41mm LPLAN 40X/0.70, W.D.=2.8mm PLAN 60x(S)/0.80, W.D.=0.33mm PLAN 100x(S, Water)/1.15, W.D.=0.19mm |
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Nosepiece |
Quadplex |
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Stage |
Mechanical stage 145mmX140mm, travel range: 76mmX52mm, scale: 0.1mm, two slide holder Reckless (Integrated) stage 140×135mm, travel range: 75×35mm, two-slide holder |
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Condenser |
N.A.1.25 Abbe condenser, with Iris Diaphragm |
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Focusing |
Coaxial coarse and fine focusing knobs, coarse focusing travel range: 25mm, fine focusing travel range: 2µm/division |
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Aspheric Illumination |
3W LED Illumination, Voltage: 100V-240V, 50/60Hz |
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Dark Field Unit |
Dark Field Ring (Dry, N.A.0.9) |
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Polarizing Unit |
Analyzer Polarizer |
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Camera adapter |
0.75x C-mount (Adjustable) 0.5x C-mount (Adjustable) |
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Wire Winding Device |
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