Description
The Euromex StereoBlue SB.3903-P Trinocular Microscope delivers shadowless concentric surface lighting on a versatile 220 mm vertical post column for forensic screening and digital research benches. Powered by an 0.7x to 4.5x Greenough zoom engine, it provides continuous 7x to 45x magnification with anti-fungus treated achromatic optics. An integrated multi-LED ring light surrounds the objective head block, while a sub-stage transmitted LED panel embedded in the 260 x 180 mm flat metal base supplies uniform backlighting for translucent specimens.
An integrated vertical 23.2 mm photo port with beam-splitter control routes optical signals to external C-mount cameras while keeping both widefield WF 10x/20 mm eyepieces active. Independent electronic dimmer dials on the base deck allow precise balancing of the ring light and backlight channels. The solid 220 mm vertical pillar carries an adjustable split-ring safety collar to protect specimens from accidental optical drops, bringing total net assembly weight to 4.9 kg on universal 100-240V AC power.
Key Features of Euromex StereoBlue SB.3903-P Trinocular Microscope
A versatile trinocular stereo zoom microscope featuring an integrated objective ring illuminator and a 220 mm pillar stand. Combines 7x to 45x magnification with sub-stage transmitted LED lighting, a 23.2 mm camera port, and independent base dimmer controls.
- Continuous 7x to 45x zoom magnification powered by an 0.7x to 4.5x Greenough core
- Integrated multi-LED ring light concentric to objective head for shadow-free surface views
- Sub-stage transmitted LED panel built into the base deck for uniform bottom lighting
- Dedicated vertical 23.2 mm photo port with internal beam splitter for digital imaging
- Solid 220 mm vertical steel pillar column with adjustable mechanical safety stop collar
- Independent continuous electronic adjustment wheels on base deck for both lighting channels
- Widefield WF 10x/20 mm eyepieces on a 45-degree inclined, 360-degree rotating trinocular head
- Compact 4.9 kg metal frame with internal universal 100-240V AC power module
Concentric Ring Illumination & Greenough 3D Depth
Fixed side lamps often create harsh shadows inside deep component recesses. The concentric multi-LED ring light floods the specimen plane from all angles, washing away blinding specular glare on metallic parts and exposing fine hairline cracks. Converging Greenough optical paths produce genuine 3D spatial depth, making delicate hand-soldering, wire bonding, and biological dissection feel completely natural.
Vertical Post Clearance & Drop Protection Collar
The 220 mm vertical post provides generous working clearance for tall parts fixtures and auxiliary lenses, allowing full 360-degree rotation of the optical head over outsized workpieces. The included split-ring safety collar clamps firmly beneath the focus block: lock it at your working height, and your expensive stereo head cannot slide down and crush specimens if an operator loosens the column lock screw too quickly.
- Concentric ring illuminator eliminates harsh shadows on complex machined metal parts
- Mechanical safety collar guarantees fail-safe height adjustment without crashes
- Vertical camera channel allows live digital video projection during active manual work
Euromex Five-Year Mechanical & Optical Warranty
Euromex backs the StereoBlue SB.3903-P with a comprehensive five-year factory warranty covering optical elements, internal prism alignments, and mechanical pillar fittings, backed by two years on LED circuitry. The complete package contains the StereoBlue zoom trinocular head with integrated ring illuminator, heavy pillar stand base with dual circuits, photo port extension piece, stage plates, power cord, rubber eyeguards, and user manual.
Euromex StereoBlue SB.3903-P Trinocular Stereo Zoom Microscope Pillar Stand 0.7x-4.5x Specs
| Brand | Euromex |
| Full Model Code / SKU | SB.3903-P |
| Country of Origin | The Netherlands |
| Microscope Type | Trinocular Stereo Zoom Microscope on Pillar Stand with Integrated Multi-LED Ring Illumination System |
| Optical System Type | Greenough Stereo Optical Pathway Design System |
| Observation Tube Type | Trinocular Head Unit with integrated vertical photo channel interface |
| Tube Inclination & Rotation | 45° inclined viewing track, 360° rotatable head, adjustable individual interpupillary controls 55-75mm; diopter adjustment on left tube eye socket |
| Eyepiece / Field of Number | WF 10x / 20 mm (Paired set, secured construction profile) |
| Nosepiece Design | Fixed dual objective housing path structure with continuous variable zoom controls |
| Objectives Classification | Achromatic Zoom Optical Configuration (Anti-fungus treated) |
| Objectives Magnification Breakdown | Continuous zoom factor 0.7x to 4.5x tracking clear optical pathway paths |
| Total Magnification Range | 7x to 45x standard continuous optical zoom magnification limits |
| Focusing Type & Graduation | Dual side manual focus adjustment knobs on focus block running along vertical column post shaft |
| Stage Dimensions & Surface Coating | Ergonomic low-profile flat metal base plate measuring approx. 260 x 180 mm equipped with translucent stage insert plate and dual metal specimen clips |
| Stage Travel Range & Controls | Vertical post column adjustment height range up to 220 mm with adjustable safety collar ring lock |
| Condenser Type & Numerical Aperture | None |
| Illumination Transmitted Type | Adjustable high-output transmitted LED panel integrated directly into base deck tracking clean backlight pathways |
| Illumination Epi-EPI/Reflected | Adjustable multi-LED ring illumination configuration concentric to objective head block for complete shadow-free incident lighting tracks |
| Light Intensity Management | Independent electronic continuous adjustment wheels on base plate deck for precise balance of ring and transmitted lighting paths |
| Camera Port / C-Mount Adapter Split | Vertical photo port channel on top of head unit (23.2mm tube interface), internal beam split tracking pathway |
| Contrast Methods Capability | Translucent target uniform evaluation, uniform shadow-free brightfield macro mapping, digital high-resolution document logging |
| Power Supply & Voltage Input | Internal universal 100-240V AC stabilization power module line links with integrated cable management |
| Physical Dimensions & Net Weight | Base assembly 260 x 180 mm, post height 220 mm, complete assembly net weight approx. 4.9 kg |
| Standard Package Accessories Included | StereoBlue zoom trinocular head with integrated ring illuminator, heavy pillar stand base with dual circuits, photo port extension piece, stage plates, power cord, eye guards, manual |
| Primary Application & Environment | Precision component quality inspection lines, advanced forensic screening workstations, high-contrast material documentation systems, university digital research benches |




















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