Bergeon 7305-EDU Stereomicroscope

Product Description

The Bergeon 7305-EDU is a professional-grade Zeiss Stemi 305 binocular stereomicroscope, specially configured for watchmaking, laboratory, and industrial inspection applications.

It features a magnification range of 8x to 40x and includes integrated LED lighting for optimal observation of small components.

With a compact footprint of 210 x 300 x 410 mm, this Swiss-made instrument delivers the optical clarity and ergonomic design required for precision work on watch movements, ensuring that even the finest details are visible during inspection and assembly.

Key Features

• Genuine Bergeon / Zeiss collaboration (Swiss Made)
• Binocular stereomicroscope design for depth perception
• Magnification range: 8x to 40x (continuous zoom)
• Integrated LED lighting (epi-illumination)
• Compact dimensions: 210 x 300 x 410 mm
• Ergonomic design for prolonged use without fatigue
• Simple, compact design for laboratory and industrial environments
• Brand New in Original Bergeon Packing

Usage Instructions

1. Setup: Place the microscope on a stable, level workbench with adequate clearance (at least 10 cm on all sides). Ensure the power cord is properly connected to a suitable outlet.

2. Adjusting Interpupillary Distance: Look through both eyepieces and adjust the distance between them until you see a single, circular field of view.

3. Focusing: Use the focus knob (typically located on the side or rear of the stand) to bring the specimen into sharp focus. For the Stemi 305, a coarse/fine focus system is standard.

4. Magnification Adjustment: Rotate the zoom knob to continuously adjust magnification from 8x to 40x. Lower magnifications provide a wider field of view for general inspection; higher magnifications reveal fine details.

5. Lighting Control: Turn on the integrated LED illumination. Adjust the brightness as needed. Proper lighting is crucial for observing reflective surfaces like polished steel or jewel bearings.

6. Eyepiece Adjustment: If the microscope has adjustable diopter settings on the eyepieces, set them to match your vision. Start with both set to “0” and adjust each eye individually while focusing on a flat specimen.

Installation Instructions

The Bergeon 7305-EDU microscope comes fully assembled and requires no user installation beyond unpacking and workbench placement.

Step-by-Step:

1. Unpacking: Carefully remove the microscope from the original Bergeon packaging. Retain the packaging for storage or transport.

2. Inspection: Verify all components are present and undamaged. Check that the integrated LED lighting functions properly.

3. Workbench Placement: Position the microscope on a solid, vibration-free surface. Ensure adequate clearance for the focusing knobs and specimen access.

4. Eyepiece Installation (if shipped separately): Insert the eyepieces into the binocular tube, ensuring they seat fully.

5. Power Connection: Connect the power cord to the microscope and plug it into a suitable outlet.

Important Notes

• Professional-grade equipment – Handle with care; avoid impacts to optical components
• Clean optics properly – Use lens paper or microfiber cloth; never use abrasive materials
• Avoid direct sunlight – Store away from windows to prevent UV damage to coatings
• Power supply – Use only the provided power cord; check voltage compatibility
• Dust protection – Cover the microscope when not in use to protect lenses
• Temperature range – Operate between 0°C and 40°C for optimal performance
• Genuine Bergeon product – Swiss Made, brand new in original packing

Maintenance Guide

Daily / After Each Use:

• Cover the microscope with the dust cover to protect lenses from dust and debris.

• Wipe the body with a soft, dry cloth if needed.

Weekly:

• Inspect eyepieces and objective lens for dust or smudges.

• Clean with lens paper or a microfiber cloth using gentle circular motions.

• Do not use alcohol or solvents on lenses unless specified by Zeiss.

Monthly:

• Check the focus mechanism for smooth operation.

• Verify the LED illumination functions correctly.

• Inspect power cord for damage.

Annually:

• Have the microscope professionally serviced if performance degrades.

• Check alignment of optical components.

When to Seek Professional Service:

• Fogging or delamination of internal optics

• Mechanical damage to focus mechanism or stand

• Electrical issues with LED lighting

• Visible scratches or damage to lenses

Frequently Asked Questions

Q1: Can I use this for other applications besides watchmaking?

A: Yes. The Stemi 305 is a versatile stereomicroscope suitable for various applications, including electronics inspection, jewelry work, biological specimen observation, and industrial quality control. Its optical quality and ergonomic design make it ideal for any task requiring precision magnification.

Q2: How do I clean the lenses?

A: Use a lens blower to remove loose dust first. Then use lens paper or a microfiber cloth with gentle circular motions. For stubborn smudges, use a small amount of lens cleaning solution applied to the cloth (not directly on the lens). Never use paper towels, tissues, or clothing, as these can scratch the coatings.

Q3: What accessories are available for this microscope?

A: Bergeon offers several accessories for the Stemi 305, including:

• 7305-BON: Ocular cup (eyepiece cover)

• 7305-DS: Spot LED for brightfield and darkfield epi-illumination (M24x0.5 thread for polarizer)

• 7305-LAM: Segmentable LED ring lamp (48 LEDs in 2 rows)

Technical Specifications

Why Choose SOFLY Watch Parts?

• Fast worldwide shipping within 3 business days.

• Competitive pricing on Seiko/Hattori calibers.

• 3,000+ watch movements and parts in stock.

• Trusted by watchmakers worldwide.

• Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.