National 440 Series Stereo Zoom Microscopes — Precision Optics for Education, Research & Industrial Inspection
National 440 Series Stereo Zoom Microscopes — Precision Optics for Education, Research & Industrial Inspection
- Wide 7.5X–45X Zoom Range: Smooth, continuous magnification for detailed inspection, assembly, or educational observation.
- High-Precision Achromatic Optics: Color-corrected lenses deliver bright, distortion-free 3D images with superior depth and clarity.
- Trinocular/Binocular Viewing Head: 45° inclined, 360° rotatable design with dual diopter and interpupillary adjustments (55–75 mm) for comfort and flexibility; camera-ready port for imaging and documentation.
- Professional Focusing System: Dual focusing knobs with adjustable tension and slip-clutch protection ensure precision and prevent over-focusing.
- Industrial-Grade Durability: Heavy all-metal gray enamel frame with locking post mount provides long-term stability in demanding environments.
- Ergonomic Design: Built for extended use in research, manufacturing, or classroom applications with minimal eye strain and maximum control.
The National 440 Series delivers professional-grade stereo imaging for laboratories, classrooms, and industrial inspection lines. Designed for clarity, durability, and versatility, these microscopes feature continuous zoom magnification (7.5X–45X) and achromatic, color-corrected optics that produce sharp, distortion-free 3D images.
440-440 (Binocular) – Ideal for educational and industrial use, this binocular stereo microscope offers a 6:1 zoom ratio and 110 mm working distance, perfect for viewing specimens of varying sizes—from biological samples to electronic components. Its all-metal frame ensures long-term stability, while optional auxiliary lenses extend magnification up to 180X.
440T-440 (Trinocular) – Combines all the optical advantages of the 440-440 with a trinocular photo/video port, allowing simultaneous viewing and digital imaging. Designed for documentation, photography, and research, it’s ideal for laboratories and production environments that require precision and recording capability.
Both models feature dual focusing knobs with slip clutch protection, reliable mechanical construction, and ergonomic design, making the National 440 Series a trusted choice for professional and educational applications alike.
