| Model | BA310 LED Binocular Phase |
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| Observation tube | Binocular head, Siedentopf type, 360º swiveling |
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| Optical system | Colour Corrected Infinity Optical System (CCIS®) |
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| Inclination | 30º inclined, 360º rotating |
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| Interpupillary distance | 48-75mm |
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| Diopter adjustment | On both eyepieces, +/- 5 diopter |
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| Eyepieces | Widefield N-WF10X/20mm with diopter adjustment |
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| Nosepiece | Reversed quintuple |
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| Objective classification | CCIS® EC Plan Achromatic, EC-H Plan Phase, DIN |
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| Objectives | 4X/0.10 (WD 15.9mm), PH10X/0.25 (WD 17.4mm), PH40X/0.65 (WD 0.5mm), PH100X/1.25 (WD 0.15mm) |
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| Objective mounting thread | W 4/5"x1/36" (RMS standard) |
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| Stand type | Upright |
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| Stage | Mechanical stage with built-in low position coaxial stage control with tension adjustment and 2-sample holder |
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| Stage size | 175x140mm |
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| Travel range X&Y | 76x50mm |
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| Condenser | Phase contrast 5 position turret condenser N.A. 0.90 (BF, DF, Ph1, Ph2, Ph3) |
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| Diaphragm | Iris diaphragm |
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| Focus mechanism | Coaxial coarse and fine focusing system with tension adjustment |
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| Fine focus precision | 2µm |
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| Focusing stroke | 20mm |
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| Upper limit stop | Upper limit stop preset but adjustable |
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| Filter holder | On top of the illuminator |
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| Transmitted illumination | Köhler LED 3W with intensity control |
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| Transformer | Internal |
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| Power supply | 100-240V (CE) |
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| Accessories included | Dust cover, power cord, Allen key, Immersion oil (5ml), thumb screw, Phase centering telescope, centering keys |
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| Dimensions LxWxH | 400x220x400mm |
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| Weight Net | 8.6kg |
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| Contrast techniques |
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| Standard contrast technique | Brightfield, phase contrast |
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| Phase contrast | Turret |
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| Polarization | Optional add-on |
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| Darkfield | Turret |
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