Model NO.: SZ680TP
Shape: Cylindrical Shaped Lens
Usage: Teaching, Research, Industry
Principle: Optics
Principle of Optics: Differential Interference Contrast Microscope
Magnification Range: 3.4X-188X
Zoom Ratio: 1:6.8
Actual Field of Image Space: 23mm
Working Distance: 110mm
Stereo Angle: 12°
Viewing Angle: 40°
Interpupillary Distance Adjustment: 50-75mm
Eyepiece: Wf10X20mm
Objective: 0.5X/2X
Light Source: 3W
Trademark: Optec
Transport Package: Cartons
Specification: 480X370X470(mm)
Origin: Chongqing
HS Code: 9011100000
SZ 680 Series Zoom Stereo Microscope
The SZ 680 series zoom stereo microscope is a new model featuring a Galilean optical system, delivering international-level performance and precision. With a magnification range of 0.68X to 4.7X, it’s ideal for detailed observation in various applications.
**Outstanding Ergonomic Design**
- The SZ680/810 models offer a 35° viewing angle, while the SZ650 has a 40° angle, making them perfect for long periods of sitting use.
- A large 330mm × 300mm base ensures stability, suitable for all types of specimen anatomy.
**Top Optical & Mechanical Design**
- Utilizes a Greenough optical system with an internal rotating shaft for smooth zoom.
- No image tilting in left and right light paths, ensuring comfort during extended observations.
- Patented design (Patent No. 201320807246.0).
- A 12° stereo angle provides a strong stereoscopic effect, large field of view, and high zoom ratio.
**Excellent Technology And Quality**
- High resolution, deep depth of field, and excellent color restoration and contrast.
- Smooth operation thanks to high-precision manufacturing and advanced assembly techniques.
- Constructed with premium materials such as PC resin covers, aluminum alloy, copper alloy parts, and austenitic stainless steel components.
**SZ 680 Series Specifications (0.68X–4.7X)**
| Type | SZ 680 |
| Magnification Range | 0.68X–4.7X |
| Zoom Ratio | 1 : 6.8 |
| Actual Field of Image Space | Φ23mm |
| Working Distance | 110 mm |
| Stereo Angle | 12° |
| Viewing Angle | 35° |
| Interpupillary Distance Adjustment | 50 mm – 75 mm |
| Auxiliary Objective | 0.5X | 0.75X | 1X (Built-in) | 1.5X | 2X | |
| Working Distance | 189mm | 122mm | 110mm | 42mm | 36mm | |
| Eyepieces 10X / φ23mm | Magnification | 3.4–23.5 | 5.1–35.25 | 6.8–47 | 10.2–70.5 | 13.6–94 |
| Actual Field (mm) | 67.6–9.79 | 45.1–6.52 | 33.82–4.89 | 22.55–3.26 | 16.91–2.45 | |
| Eyepieces 15X / φ16mm | Magnification | 5.1–35.25 | 7.65–52.88 | 10.2–70.5 | 15.3–105.8 | 20.4–141 |
| Actual Field (mm) | 47.06–6.81 | 31.37–4.53 | 23.53–3.40 | 15.69–2.27 | 11.76–1.70 | |
| Eyepieces 20X / φ12mm | Magnification | 6.8–47 | 10.2–70.5 | 13.6–94 | 20.4–141 | 27.2–188 |
| Actual Field (mm) | 35.29–5.11 | 23.53–3.40 | 17.65–2.55 | 11.76–1.70 | 8.82–1.28 | |
| Items | SZ650BP | SZ650B2L | SZ680BP | SZ680B2L | SZ810BP | SZ810B2L | |
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| 10X Eyepiece/Φ24mm |  |  |  |  | -- | -- | |
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| 20X Eyepiece/Φ12mm | ○○ | ○○ | ○○ | ○○ | ○○ | ○○ | |
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| Focusing unit | -- | -- | -- | -- | -- | -- | |
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| Transmitting 3W LED | Â | -- | Â | -- | Â | -- | |
| Black & white Plate | -- | -- | -- | -- | -- | -- | |
| Glass Plate | Â | -- | Â | -- | Â | -- | |
| Arm stand | -- | -- | -- | -- | -- | -- | |
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