NK-280 Series Upright Biological Microscope
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Product Description
| Items | Specification | NK-280A | NK-280B | NK-280PB | NK-280T | NK-280PT |
| Monocular Head | Inclined 30° | ● | / | / | / | / |
| Seidentopf Binocular Head | Inclined 30°, Rotatable 360°, Interpupillary Distance: 48-75mm | / | ● | ● | / | / |
| Seidentopf Trinocular Head | Inclined 30°, Rotatable 360°, Interpupillary Distance: 48-75mm, Light Distribution: 20:80 | / | / | / | ● | ● |
| Eyepiece |
WF10x/18mm（pointer is optional） WF16x/13mm WF10x/18mm(non-adjustable,reticule 0.1 mm) F10x/18mm(adjustable,reticule 0.1 mm) |
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| Achromatic Objectives |
4X/0.10, W.D.=18.6mm 10X/0.25,W.D.=6.5mm 20X/0.40, W.D.=1.75mm 40X/0.65(S), W.D.=0.47mm 60X/0.80(S), W.D.=0.10mm 100X/1.25(S, Oil), W.D.=0.07mm |
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| Plan Achromatic Objectives |
4X/0.10, W.D.=14.5mm 10X/0.25, W.D.=5.65mm 40X/0.65(S), W.D.=0.85mm 100X/1.25(S, Oil), W.D.=0.07mm |
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| Nosepiece |
Quadplex |
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| Mechanical Stage | Stage size:125mm×115mm, travel: 35mm×75mm |
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| Condenser |
Abbe condenser N.A.1.25, With Iris Diaphragm |
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| 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 |
Darkfield ring (Dry, N.A.0.9), for 4x-40x objective |
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| Polarizing Unit |
Analyzer Polarizer |
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| C-mount |
0.75× (Adjustable) 0.5×C-mount (Adjustable) |
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| Wire Winding Device |
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