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SZ680-series Stereo Microscope Biological Research
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Product Details
| Brand Name | DRAWELL | Place of Origin | Shanghai, China | |
| Model Number | SZ680BP/680B2L |
Product Description
SZ Series Stereo Zoom Microscope
SZ680
Outstanding Ergonomic Design:
SZ680/780 35°viewing angle, SZ650 40°viewing angle, suitable for long-term sitting observation.
330mm×300mm big stand, high stability , apply to all kinds of anatomy of specimen.
Top Optical & Mechanical Design:
² Greenough optical system, built-in rotating shaft zoom system.
² No tilting Image in left &right light path in complete pupillary distance , No dizziness feeling after long time observing.
² (patent number: 201320807246.0)
² Stereo angle for left & right light path is 12°, stereoscopic effect, large viewing field, high zoom ration.
Excellent Technology And Quality:
² High resolution, large depth of field, excellent color restoration and contrast.
² Operation comfortable(manufactured by high-precision machine, excellent assembly technology ).
² High- end material(PC resin cover, aluminium alloy ,copper alloy parts, austenite stainless steel driving parts).
International Level Appearance Design:
² Elegant shape , high-end and integrated appearance design, comfortable operation.
Various Accessories,Complete Function:
² Different video output connectors, built-in digital image model.
² Illumination optional: LED, halogen lamp, cold light source etc. (100V-240V wide voltage input).
² Various professional stands and operating attachments.
Main Technical Specification:
Model | SZ650 | SZ680 | SZ780 |
Objectives Zoom Range | 0.7X-4.5X | 0.68X-4.7X | 0.66X-5.1X |
Zoom Ratio | 1 : 6.5 | 1 : 6.8 | 1 : 7.8 |
Field Diameter (mm) | Φ22 | Φ23 | Φ24 |
Working Distance (mm) | 110 | 110 | 110 |
Stereo Angle ( °) | 12 | 12 | 12 |
Viewing Angle ( °) | 40 | 35 | 35 |
Interpupillary Adjustable Distance (mm) | 50-75 | 50-75 | 50-75 |
Video Output Distribution | NO | 0:100 standard | |
50:50 optional | |||
Guide Rail Stand Focusing Distance (mm) | 80 | ||
Pillar Stand Focusing Distance (mm) | 115 | ||
SZ680 Series Objective & Eyepiece Parameter List (0.68×-4.7×)
Additional Objective | 0.5X | 1X(built-in) | 2X | |
W.D | 189mm | 110mm | 36mm | |
10XEyepiece/Φ23mm | Magnification | 3.4~23.5 | 6.8~47 | 13.6~94 |
Field dia. (mm) | 67.65~9.79 | 33.82~4.89 | 16.91~2.46 | |
15XEyepiece/Φ16mm | Magnification | 5.1~35.25 | 10.2~70.5 | 20.4~141 |
Field dia. (mm) | 47.06~6.81 | 23.53~3.40 | 11.76~1.70 | |
20XEyepiece/Φ12mm | Magnification | 6.8~47 | 13.6~94 | 27.2~188 |








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- Shanghai Drawell Scientific Instrument Co., Ltd.
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