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SZN71 Zoom Stereo Microscope for PCB Electronics Inspection

SZN71 Zoom Stereo Microscope for PCB Electronics Inspection

SZN71 is a zoom stereo microscope from Nanjing AMADA Instrument Co., Ltd. designed for PCB electronics inspection, precision assembly, and bench-level component handling. The model offers a zoom ratio of 1:7.1 with a 120 mm working distance on the standard 1X objective path, optional video output, and LED or halogen illumination (100V–240V).

  • Zoom ratio 1:7.1 provides consistent magnification range for detailed electronics work
  • 120 mm working distance on 1X path allows space for soldering tools and component placement
  • Optional trinocular head and video output for documentation and quality control
  • Dual illumination options (LED and halogen) with wide voltage input (100V–240V) for global use
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Technical features

  • Zoom range 0.7X–4.9X, ratio 1:7.1, field diameter Φ25 mm
  • Working distance 120 mm (1X); with 0.5X additional objective W.D. 205 mm; with 2X W.D. 38 mm
  • Stereo angle 12°; viewing angle 38°
  • Interpupillary distance adjustable 50–75 mm
  • Illumination options: LED, halogen lamp; 100V–240V wide voltage input
  • Pillar stand focusing distance 120 mm

Who it is for

  • Electronics manufacturers sourcing inspection tools for production lines
  • Importers specifying stereo microscopes for PCB and SMT processes
  • Distributors building a catalog focused on precision bench optics

Specifications

ModelSZN71

Use guide

  • Select SZN71 when a 120 mm working distance is required for soldering or rework
  • Add 0.5X objective when working with tall components or fixtures (W.D. increases to 205 mm)
  • Include trinocular head or video output when documentation or inspection recording is needed

FAQ

What is the working distance on the standard configuration?
120 mm with the built-in 1X objective path. With a 0.5X additional objective it is 205 mm; with 2X it is 38 mm.
Can I add a camera?
Yes. The model supports video output connectors and trinocular options; light distribution varies by configuration (including 100% video path and optional 50:50).
What illumination is available?
LED and halogen lamp options with 100V–240V wide voltage input.
Who manufactures this model?
Nanjing AMADA Instrument Co., Ltd. (bestamada.com), Nanjing, Jiangsu, China.
Is this model suitable for PCB inspection?
Yes. The SZN71 is specifically designed for PCB electronics inspection, precision assembly, and bench-level component handling.

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