Model NO.: B302
Shape: Cylindrical Shaped Lens
Usage: Teaching, Research
Principle: Optics
Principle of Optics: Infinity Optical System
Nosepiece: Quadplex
Abbe Condenser: Abbe N.a.1.25 (Iris Diaphragm)
Aspheric Illumination: 3W LED Illumination
Mechanical Stage: 145mm x 140mm, Two Slide Holder
Coaxial Coarse and Fine Focusing Knobs: Coarse Focusing Travel Range: 25mm
Infinity Objective: Eplan 4X/10X/40X/100X
Trademark: Optec
Transport Package: Carton
Specification: 350x270x470(mm)
Origin: Chongqing
HS Code: 9011100000
B302 Series Biological Microscope
Elegant Design
User-Friendly Features

Perfect Optical System
- High resolution and perfect definition from the infinity-corrected optical system
- 100X water immersion objective instead of oil immersion for easier use
Elegant Design
- Sleek drop-style design that looks modern and sophisticated
User-Friendly Features
- Low-position operation for comfortable long-term use
- New cable winding device for easy handling and storage
- Back viewing window to observe objective changes easily

Total Magnification
Objective Eyepiece |
4× | 10× | 40× | 100× |
10× | 40× | 100× | 400× | 1000× |
16× | 64× | 160× | 640× | 1600× |
Objective (with 10× Eyepiece, subject to standard outfit)
Infinity Plan Achromatic Objective | Numerical Aperture N.A. | Objective Field (mm) | Resolution (μm) | Working Distance (mm) |
Field φ20 | ||||
4× | 0.10 | 5 | 2.8 | 10 |
10× | 0.25 | 2 | 1.1 | 2.1 |
40×(s) | 0.66 | 0.5 | 0.42 | 0.58 |
100×(water, s) | 1.25 | 0.2 | 0.22 | 0.19 |
100×(oil, s) | 1.15 | 0.2 | 0.22 | 0.19 |



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