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The Yamasaki M200 200x Fibre Optic Microscope provides clear connector end-face inspection with precision all-glass optics and oblique and coaxial viewing modes. Its compact metal body, fine-focus control, timed LED illumination and interchangeable SC/ST/LC adaptors support practical field and laboratory use.
The Yamasaki M200 200x Fibre Optic Microscope provides direct visual inspection of fibre connector end faces during termination, cleaning and maintenance. With precision all-glass optics, oblique and coaxial viewing modes, and interchangeable SC/ST/LC adaptors, it gives technicians a practical tool for examining disconnected fibre connectors.
Its compact metal body, comfortable rubber grip and soft eyepiece support everyday field and laboratory work. In addition, the timed illumination switch allows inspection without continuously holding down the light button.
Whether you are checking a freshly polished connector or reviewing an end face after cleaning, the M200 helps you assess its visible condition before connection.
The Yamasaki M200 combines 200x magnification with two illumination modes. As a result, technicians can examine the fibre core and end-face surface using the viewing mode that best suits the task.
Oblique illumination provides a clear view of the core, making it useful during field termination. Meanwhile, coaxial illumination reveals greater surface detail for closer examination of polish quality.
The microscope also includes a fine-focus control wheel. Therefore, you can adjust the image while holding the instrument comfortably in your hand.
For contractors and maintenance teams, this combination supports a straightforward inspection process: check the connector, clean where necessary, and inspect again before connection.
A connector can appear clean to the naked eye while still carrying contamination on its end face. Dust, handling residue and other deposits can interfere with the optical connection.
Consequently, visual inspection forms an important part of connector preparation. It helps technicians identify visible contamination and assess whether further cleaning or investigation is necessary.
Inspection also supports troubleshooting. For example, a connector that remains visibly marked after cleaning may require closer assessment rather than repeated cleaning alone.
However, appearance does not establish the complete performance of a fibre link. Use the appropriate optical test equipment alongside inspection when you need to measure loss, verify power or assess network performance.
The M200 provides 200x magnification for inspecting fibre connector end faces. This magnified view helps technicians examine details that they cannot assess reliably with the naked eye.
Because the M200 is a dedicated 200x model, its magnification remains distinct from the separate Yamasaki M400 400x microscope.
The M200 supports both oblique and coaxial viewing.
Oblique illumination helps reveal the fibre core. Consequently, it is useful when reviewing connectors during field termination.
Coaxial illumination provides greater detail for examining the end-face surface and polish quality. Furthermore, switching between the two modes allows you to review the same connector under different illumination conditions.
The microscope uses precision all-glass optics for direct visual inspection through the eyepiece.
In addition, the fine-focus wheel lets you refine the image before assessing the connector. Take time to establish a clear view, since an unfocused image can make contamination and surface features difficult to interpret.
A white LED illuminates the connector end face. This provides the light needed for inspection through the microscope’s optical system.
The illumination controls include a momentary switch and a timed function. As a result, you can choose an operating method that suits the inspection task.
The timed switch allows the light to remain on without continuous button pressure. The data sheet specifies a two-minute delayed switching function.
Therefore, technicians can concentrate on positioning, focus and visual assessment during inspection.
The M200 features a metal body for field and laboratory use. Meanwhile, the rubber grip supports comfortable handling, and the soft eyepiece provides a comfortable viewing interface.
At 190 mm long and 45 mm in diameter, the microscope offers a compact format for carrying between work areas.
The M200 data sheet lists universal SC/ST/LC adaptors and a user-interchangeable adaptor interface.
This arrangement supports inspection across these connector formats. However, confirm the adaptor arrangement for your particular connector and polish type before ordering.
The M200 includes a built-in infrared safety filter.
However, the filter does not make active-fibre inspection safe. Never use the microscope to view a fibre known to carry an active optical signal. Before inspection, isolate the fibre and verify that it is inactive using the appropriate equipment and procedures.
Different illumination conditions can reveal different features of a connector end face. Therefore, the M200’s two viewing modes offer a useful advantage during manual inspection.
Oblique illumination provides a clear view of the core. For field termination work, this helps technicians review the central fibre region while adjusting focus.
However, a visible core does not establish acceptable optical performance. Complete the required testing after termination and connection.
Coaxial illumination supports closer examination of end-face surface detail. Consequently, it is useful when reviewing polish quality or checking a connector after cleaning.
If a visible mark remains, inspect carefully before deciding whether the issue involves residue or permanent damage. Furthermore, follow the connector manufacturer’s guidance when determining the next action.
A consistent inspection routine helps you make better decisions about connector cleanliness and condition.
Finally, protect the inspected connector from further contamination. If it contacts another surface or remains exposed, inspect it again before use.
Cleaning and inspection serve different purposes. Cleaning removes contamination, while inspection helps you assess the result.
Therefore, avoid assuming that a connector is clean simply because you have completed a cleaning step. Reinspection allows you to check for remaining residue or visible damage.
For compatible connectors, Anderson Corporation offers One Click Cleaners. Depending on the task, Lint Free Wipes and Pre-Saturated Cleaning Wipes may also form part of your cleaning process.
Always match the cleaning tool and method to the connector. In addition, keep cleaning materials and inspection adaptors clean so they do not introduce contamination during handling.
The M200 supports visual inspection during connector termination. In particular, its oblique viewing mode helps technicians examine the fibre core, while coaxial illumination supports polish assessment.
Afterwards, complete the appropriate optical tests to verify the finished connection.
Before connecting patch leads or terminated fibres, technicians can inspect accessible connector end faces. Consequently, they can address visible contamination before completing the connection.
This routine also provides a consistent approach when preparing multiple connectors across an installation.
During maintenance, the M200 helps technicians examine disconnected connectors for visible contamination or surface concerns.
However, inspection forms only one part of fault investigation. Combine it with suitable measurements and a review of the complete optical path.
The compact format also suits bench inspection and connector preparation. Furthermore, the timed light function supports repeated inspection without continuous button pressure.
Choose the microscope according to the magnification and viewing modes your work requires.
The Yamasaki M200 provides 200x magnification with oblique and coaxial viewing modes. This hub covers that model and its SC/ST/LC adaptor specification.
By comparison, the Yamasaki M400 provides 400x magnification with coaxial viewing only. Its data sheet lists universal 1.25 mm and 2.5 mm adaptors.
If your process requires image capture, screen viewing or inspection records, review the separate USB Handheld Video Microscope. The M200 provides manual viewing through an eyepiece.
Good handling helps preserve the condition of the optics and adaptor interface.
Keep the microscope in a clean, dry storage location between tasks. In addition, protect the eyepiece and adaptor opening from dust, impact and cleaning-fluid splashes.
Handle interchangeable adaptors carefully, and keep their contact surfaces clean. If the image becomes unclear, check focus and adaptor seating before assuming that the connector is at fault.
For cleaning the microscope itself, follow the manufacturer’s instructions. Avoid applying connector-cleaning chemicals to the optics or body unless the manufacturer permits that use.
| Specification | Yamasaki M200 |
|---|---|
| Product type | Handheld optical fibre inspection microscope |
| Magnification | 200x |
| Viewing modes | Oblique and coaxial |
| Optics | Precision all-glass optics |
| Light source | White LED |
| LED rated life | 100,000 hours, as stated in the data sheet |
| Focus control | Fine-focus control wheel |
| Light controls | Momentary on/off switch and automatic/timed switching |
| Timed function | Two-minute delayed on/off function |
| Safety filter | Built-in infrared filter |
| Adaptor interface | User-interchangeable adaptors |
| Adaptor formats listed | Universal SC/ST/LC adaptors |
| Construction | Metal body with rubber grip and soft eyepiece |
| Dimensions | 190 mm long × 45 mm diameter |
| Weight | 0.42 kg |
| Warranty | 12 months |
| Ordering code | M200 |
Download the Yamasaki M200/M400 Optical Microscope Data Sheet for product specifications and model details.
The document covers both microscopes. Therefore, use the M200 specifications when selecting this 200x Fibre Optic Microscope.
Before ordering, confirm your connector formats, polish types and required adaptors with Anderson Corporation.
Our Knowledge Centre brings together practical guidance on manual connector inspection, illumination methods, cleaning workflows and microscope selection. Explore the categories below as supporting articles become available.
Understand how optical microscopes support fibre connector inspection. In addition, learn how to interpret visible end-face features alongside the wider testing process.
Articles coming soon.
Explore 200x magnification, fine-focus adjustment, and oblique and coaxial illumination. Furthermore, learn how different viewing conditions support connector assessment.
Articles coming soon.
Review adaptor selection and connector inspection requirements. Compare the M200 with other inspection tools according to your workflow.
Articles coming soon.
Develop consistent routines for inspecting, cleaning and reinspecting connectors. Consequently, reduce reliance on assumptions about end-face cleanliness.
Articles coming soon.
Investigate unclear images, remaining contamination and visible surface concerns. In addition, learn how careful handling supports reliable inspection.
Articles coming soon.
Explore manual inspection in field termination, installation, maintenance and workshop environments. Learn how to incorporate inspection into a complete fibre quality process.
Articles coming soon.
For more practical fibre optic information, visit the Anderson Corporation YouTube Channel.
The M200 provides 200x magnification. The separate M400 model provides 400x magnification.
Yes. The M200 supports both modes. Oblique illumination provides a clear view of the core, while coaxial illumination supports closer examination of surface and polish detail.
The M200 specification lists universal SC/ST/LC adaptors. However, confirm suitability for your particular connector and polish type before ordering.
No. The microscope includes a timed illumination function, so you can inspect without continuously holding the button.
No. Never use the microscope to view a fibre known to be active. The infrared filter does not guarantee protection from eye damage, so isolate and verify the fibre before inspection.
The M200 is a manual optical microscope. It provides direct viewing through an eyepiece rather than automated image analysis.
No. Inspection helps you assess visible connector condition. However, use appropriate optical test equipment to verify link performance.
Yes. Reinspection helps you check whether contamination remains and whether the end face needs further attention before connection.
Choose the Yamasaki M200 for manual 200x connector inspection with oblique and coaxial viewing, precision all-glass optics and a compact metal body.
To confirm adaptor suitability, pricing and availability, Request a Rapid Quote.
