RX50M Upright Metallurgical Microscope
The RX50M is an upright metallurgical microscope with a 10X eyepiece and a 40X objective, designed for examining polished metal surfaces, semiconductor wafers, and thin sections under reflected light.

Product Overview
The RX50M is an upright metallurgical microscope with a 10X eyepiece and a 40X objective, designed for examining polished metal surfaces, semiconductor wafers, and thin sections under reflected light. It provides 400X magnification with a 100mm working distance and a 100mm focal length, allowing hands-free operation with a probe or tool under the optics. The 10X eyepiece and 40X objective are standard, but the system supports additional objectives and eyepieces for extended magnification.
- Optical systemUpright metallurgical
- IlluminationReflected light
- Objective mountingRevolver nosepiece
- Sample stageMechanical stage
- Light sourceLED
Key Benefits
- 100mm working distance allows a probe, tool or sample holder to remain under the optics during inspection
- 400X magnification with standard 10X eyepiece and 40X objective provides clear detail of grain structure and surface defects
- Upright design with reflected light illumination suits polished metal, semiconductor wafers and thin sections
- 100mm focal length ensures stable focus across the working distance without refocusing when moving the sample
- Standard 10X eyepiece and 40X objective are interchangeable with other objectives and eyepieces for variable magnification
Application Scenarios
- Inspecting grain structure and surface defects in polished metal samples in a metallurgy lab
- Examining semiconductor wafers for scratches, pits or contamination under reflected light
- Checking thin sections of cast materials for porosity, inclusions or phase boundaries
- Quality control of machined or ground metal parts where surface integrity is critical
- Teaching metallography techniques in a university or vocational training lab
Who It Is For
- Metallurgy and materials science laboratories in industrial quality control
- Semiconductor and microelectronics inspection teams requiring surface defect analysis
- Foundry and heat-treatment labs monitoring microstructure changes
- University and technical school teaching labs for metallography and materials testing
- Precision manufacturing facilities inspecting ground or polished components
Problems It Solves
- A microscope with short working distance forces the operator to remove tools or probes from under the optics during inspection
- Fixed magnification systems require swapping objectives to examine both large features and fine details
- Lack of reflected light illumination prevents clear imaging of polished metal or semiconductor surfaces
- No standard focal length leads to frequent refocusing when moving samples or tools under the head
- Separate camera and microscope setups often mismatch tube diameter or optical alignment
Technical Features
- Upright optical design with reflected light illumination for polished surfaces
- 10X eyepiece and 40X objective provide 400X magnification as standard
- 100mm working distance allows tools or probes to remain under the optics
- 100mm focal length ensures consistent focus across the working distance
- Standard 10X eyepiece and 40X objective are compatible with additional objectives and eyepieces
- Robust mechanical construction supports stable imaging during extended use
Specifications
| Optical system | Upright metallurgical |
|---|---|
| Illumination | Reflected light |
| Objective mounting | Revolver nosepiece |
| Sample stage | Mechanical stage |
| Light source | LED |
Specifications are taken from the AMADA product data for this item. Confirm critical dimensions with us in writing before ordering.
Customization Options
- Option to upgrade to 10X, 20X, 50X or 100X objectives for higher magnification
- Option to use 5X, 15X or 20X eyepieces to adjust magnification range
- Mechanical stage with X and Y movement for precise sample positioning
- LED illumination with adjustable brightness for consistent contrast
- Mounting options for integrating with digital cameras or recording systems
Comparison With Other Options
| RX50M without camera | Same optical system and working distance, but the camera version adds image capture capability without requiring a separate C-mount adapter |
|---|---|
| Reversed metallurgical microscope | The RX50M is upright; a reversed design would require sample flipping and is less suitable for hands-on inspection with tools under the optics |
| Biological microscope | A biological microscope uses transmitted light and is not suitable for polished metal or semiconductor surfaces that require reflected light illumination |
Use Guide
- Adjust the interpupillary distance to match your eyes before focusing to ensure a single merged image
- Start focusing at the highest magnification objective and then move to lower magnifications to maintain focus across the range
- Use the mechanical stage controls to position the sample precisely before starting inspection
- Ensure the LED light source is turned on and adjusted to the correct brightness for the sample surface
- When using optional objectives, verify the alignment and focus after switching to avoid image blur
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Frequently Asked Questions
What is the standard magnification of the RX50M?
400X with the standard 10X eyepiece and 40X objective.
Can I use this microscope for semiconductor wafer inspection?
Yes. The upright metallurgical design with reflected light illumination is suitable for polished semiconductor wafers and thin sections.
Is the working distance adjustable?
The standard working distance is 100mm. It remains fixed with the standard setup, but you can change objectives to alter the working distance indirectly.
What objectives are available as options?
Optional objectives include 10X, 20X, 50X and 100X for higher magnification.
Can I use a digital camera with this microscope?
Yes. The RX50M can be fitted with a digital camera using standard C-mount or adapter options.
Does the microscope come with a mechanical stage?
Yes. The standard configuration includes a mechanical stage with 75mm X and Y movement.
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