National Optical 452TBL & 453TBL-10-LED Dual Magnification Stereo Microscopes — Cordless, Compact, and Classroom-Ready
National Optical 452TBL & 453TBL-10-LED Dual Magnification Stereo Microscopes — Cordless, Compact, and Classroom-Ready
- Dual Magnification (10X–30X / 20X–40X): Easily switch between low and high magnifications for clear, detailed 3D specimen observation.
 - Achromatic, Parfocalled Optics: Ensures color accuracy and maintains focus when changing magnification levels.
 - Dual LED Illumination System: Independent top and bottom lighting provides transmitted and reflected illumination with up to 50 hours of cordless runtime.
 - Precision Rack-and-Pinion Focusing: Smooth, reliable focusing mechanism with slip-clutch protection and adjustable tension control.
 - Durable Cast-Metal Construction: Sturdy, enamel-coated frame built to withstand years of classroom, lab, or field use.
 - Ergonomic, Easy-to-Use Design: Fixed head and comfortable viewing angle make it ideal for students, educators, and STEM programs.
 
The National Optical 452TBL & 453TBL Series delivers durable, high-clarity stereo imaging for STEM education, dissection labs, and industrial inspection in a portable cordless format. Built with LED illumination and a rugged cast-metal frame, these microscopes provide reliable 3D imaging performance in classrooms or field environments.
452TBL-10-LED (1X & 3X Magnification) – A compact 12-inch stereo microscope offering bright, upright, and unreversed viewing for natural sample observation. Its dual LED illumination (top/bottom) enhances depth and surface contrast, making it ideal for biology, entomology, and materials study. Perfect for elementary through high school programs needing portability and precision.
453TBL-10-LED (2X & 4X Magnification) – Designed for higher detail and resolution, this model includes achromatic, parfocal objectives and widefield 10X eyepieces for accurate 3D imaging. The 4-position light control system and 50-hour rechargeable LED power make it ideal for detailed biological, botanical, and material analysis in both classrooms and fieldwork.
Both models provide true-color images, ergonomic operation, and cordless convenience—combining educational simplicity with professional optical quality.