Description
OPTO-EDU A33.1502 LCD Digital Lab Microscope
10.5" Android Touchscreen | 4K Digital Camera | Achromatic Optical System
The OPTO-EDU A33.1502 is a modern, high-performance digital laboratory microscope designed for educational, clinical, and research environments that require both traditional optical observation and advanced digital imaging in one instrument. Unlike conventional microscopes that rely solely on eyepieces, the A33.1502 is built around an integrated 10.5-inch Android touchscreen tablet equipped with a 4K 8-megapixel digital camera, turning microscopy into an intuitive, interactive, and visually rich experience. Users can observe samples through the eyepieces or directly on the large HD display, capture photos and videos, measure specimens, store data, and connect to PCs or displays—all without additional hardware.
A Complete All-in-One Digital Microscopy Platform
At the core of the A33.1502 is a full Android 11 operating system with 2GB RAM and 16GB internal storage, giving the microscope the functionality of a standalone smart device. The built-in camera delivers 3840×2158 resolution at 30 fps, ensuring smooth, detailed imaging for both still images and video recordings. With built-in software for measurement and analysis, scientific work becomes streamlined and efficient. The microscope supports USB mouse and keyboard input, Wi-Fi connectivity, LAN Ethernet, Bluetooth, and HDMI output, allowing seamless integration into modern digital laboratories.
The large 10.5-inch touchscreen provides ample workspace for viewing microscopic images, navigating the Android interface, reviewing captured media, and controlling microscope imaging settings. This transforms the A33.1502 into a complete digital microscopy workstation without requiring a computer or external camera.
High-Quality Optical System with Standard Achromatic Objectives
While the digital system enhances visualization, the microscope’s foundation remains its robust optical hardware. The A33.1502 is equipped with standard achromatic objectives (4×, 10×, 40×, 100× Oil) mounted on a smooth 4-position nosepiece. These objectives provide crisp, high-contrast images that meet the needs of educational and laboratory applications. Achromatic correction ensures reduced color fringing and improved sharpness across the field of view.
Combined with WF10×/20 mm eyepieces, the system delivers a standard magnification range of 40× to 1000×, with extended digital magnification up to 2200× on screen. This combination of optical performance and digital enhancement offers versatility for observing a wide range of biological specimens, prepared slides, microorganisms, tissue samples, and general laboratory materials.
Ergonomic, Rotatable Large Head Tube for Flexible Viewing
One unique feature of the OPTO-EDU A33.1502 is its large head tube, which is designed for comfort and adaptability. The trinocular Seidentopf head is 30° inclined, supports 48–75 mm interpupillary adjustment, and allows simultaneous viewing through eyepieces and the digital camera. The head can rotate 360 degrees freely, allowing the microscope to be positioned for classroom use, shared viewing, or multi-user laboratory setups.
This ergonomic flexibility ensures that prolonged observation sessions remain comfortable, especially useful in teaching laboratories where several students may observe the same specimen.
Large Mechanical Stage with Double Slide Holder
The microscope includes a durable and spacious 142×132 mm mechanical stage, equipped with a double slide holder. This design allows two standard slides to be placed on the stage simultaneously—an excellent feature for teaching, comparison studies, and rapid sample switching. With a 75×50 mm travel range, the stage moves smoothly and precisely under coaxial control, ensuring stable and accurate positioning of specimens.
Whether examining a single slide or comparing two, the stage provides a robust and user-friendly platform for every laboratory need.
Precision Focusing and Illumination System
The A33.1502 features a reliable coaxial coarse and fine focusing mechanism with a fine division of 0.002 mm, enabling exceptionally precise focusing even at high magnification. The total focusing travel and smooth mechanical performance ensure accurate specimen height control, essential for achieving crisp and repeatable results.
Illumination is provided by a bright 3W LED Köhler system, fully adjustable for intensity and optimized for clarity. The built-in Abbe condenser NA 1.25 with iris diaphragm ensures excellent light control and uniform illumination across the specimen. This combination provides excellent imaging performance, particularly in brightfield conditions.
Safety features include a focus stop screw to prevent accidental slide damage and a tension adjustment system for long-term mechanical stability.
Advanced Connectivity for Modern Digital Workflows
Unlike traditional microscopes, the OPTO-EDU A33.1502 offers complete digital integration. Connectivity options include:
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USB 3.0 for high-speed file transfer
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HDMI output for external displays, projectors, or TVs
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LAN port for stable wired network access
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Wi-Fi for wireless streaming, updates, and file sharing
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Bluetooth for peripherals such as keyboards and input devices
These connectivity features make the A33.1502 ideal for digital classrooms, laboratory documentation, remote teaching, and collaborative research environments.
Built-In Measurement & Analysis Software
The Android system includes dedicated software tools for:
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Live imaging
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Still photo capture
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4K video recording
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Measurement and annotation
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Image comparison
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File management
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Online sharing
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Data backup
These tools eliminate the need for external software or computers, making the microscope a self-contained digital laboratory instrument.
Upgradeable Optical System
Although this unit comes with standard achromatic objectives, the A33.1502 is upgradeable to:
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Infinity Plan Objectives
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Darkfield observation (DF)
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Polarized Light (PL)
These upgrades allow the microscope to evolve with the user’s needs and become suitable for more advanced laboratory environments in the future.
A Modern Microscope Designed for Education, Clinics, and Research
With its blend of optical quality, digital imaging, touchscreen convenience, and robust construction, the OPTO-EDU A33.1502 is ideal for:
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Schools and universities
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Biological and medical teaching labs
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Clinical laboratories
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Research facilities
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Industrial inspection
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Veterinary labs
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Cytology and pathology training
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General microscopy education
The combination of a high-quality optical microscope and a powerful Android imaging system offers unmatched value and versatility.
OPTO-EDU A33.1502 – Specifications Table
| Category | Specification |
|---|---|
| Model | OPTO-EDU A33.1502 |
| System Type | LCD Digital Biological Microscope |
| Operating System | Android 11 |
| Language Support | 90 Languages |
| Memory | RAM 2GB + ROM 16GB |
| Camera Resolution | 8.0 Megapixel |
| Camera Sensor Size | 1/1.8" |
| Camera Features | 4K Video • Touch Screen • HDMI Measurement |
| Camera Mount | C-Mount |
| Display | 10.5" Full-Color LCD Touch Screen |
| Digital Output Ports | HDMI • USB • Ethernet (LAN) • WiFi • Bluetooth |
| External Storage | USB Hard Disk Supported |
| Video Adapter | C-Mount 1× |
| Head Type | Seidentopf Trinocular Head |
| Head Rotation | 360° Free Rotation |
| Head Inclination | 30° |
| Interpupillary Distance | 48–75 mm |
| Eyepieces | WF10× / 20 mm, Ø30 mm |
| Eyepiece Features | Diopter Adjustment (Both Sides) |
| Objectives (Standard) | Achromatic 4×, 10×, 40×, 100× (Oil) |
| Objective Type | High-Contrast Achromatic |
| Nosepiece | 4-Hole, Inward-Facing |
| Optical Magnification | 40×–1000× |
| Total Digital Magnification | 88×–2200× |
| Optical System | Achromatic Optical System |
| Working Stage Type | 2-Layer Mechanical Stage |
| Working Stage Size | 142 × 132 mm |
| Stage Movement Range | 75 × 50 mm |
| Stage Features | Large Stage • Double Slide Holder |
| Condenser Type | Abbe Condenser, N.A. 1.25 |
| Condenser Features | Iris Diaphragm • Centering • Filter Holder • Rack & Pinion Up/Down |
| Transmitted Illumination | 3W LED, Brightness Adjustable |
| Illumination Type | LED, Köhler-Style System |
| Focusing System | Coaxial Coarse & Fine Focus |
| Fine Focus Precision | 0.002 mm Division |
| Coarse Focus Stroke | 37.7 mm per Rotation |
| Focusing Range | 24 mm |
| Focusing Safety | Tension Adjustment • Safety Stop Screw |
| Power Supply | AC 110–240 V |
| Structure | Sturdy Frame • Large Head Tube • Digital + Optical Simul-Focal Path |
| Supported Observation (Standard) | BF (Brightfield) |
| Upgradeable To | Darkfield (DF) • Polarization (PL) • Infinity Plan Objectives |
| Special Features | Simul-Focal Design • Large Rotatable Head Tube • Extra-Large LCD Android Pad |













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