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Olympus BX51M - User Manual

Olympus BX51M
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INSTRUCTIONS
BX51M
SYSTEM METALLURGICAL
A X 7 6 0 9
This instruction manual is for the Olympus System Metallurgical Microscope Model BX51M. To
ensure the safety, obtain optimum performance and to familiarize yourself fully with the use of this
microscope, we recommend that you study this manual thoroughly before operating the micro-
scope. Retain this instruction manual in an easily accessible place near the work desk for future
reference.
This publication is printed on 100% recycled paper
MICROSCOPE

Questions and Answers

  • T
    timothy30Aug 20, 2025
    Why is my Olympus Microscope bulb not lighting?
    • S
      savannahharrisAug 20, 2025
      The bulb may be burned out. Replace the bulb.
  • D
    Danny DavisAug 22, 2025
    Why does my Olympus BX51M bulb keep burning out quickly?
    • D
      David JohnsonAug 22, 2025
      The bulb in use may not be the specified lamp. Replace it with a standard bulb.
  • M
    morrisoncourtneyAug 25, 2025
    What to do if the Olympus Microscope image is not sharp?
    • P
      pooleashleyAug 25, 2025
      If the image from your Olympus Microscope is not sharp, consider these potential causes: * The objective in use is not designed for UIS2 (UIS) series. Replace it with a specified objective for UIS2 (UIS) series. * A dummy slider is not inserted in the revolving nosepiece. Insert a dummy slider. * The revolving nosepiece is not installed correctly. Secure it by pushing in the sliding dovetail all the way until the stopper.
  • S
    Sandra MuellerAug 27, 2025
    Why is my Olympus Microscope field of view dark?
    • A
      Angela PearsonAug 27, 2025
      If the field of view in your Olympus Microscope is dark, it could be due to several reasons: * The aperture or field iris diaphragm is closed. Open the aperture and field iris diaphragms. * The analyzer and polarizer are engaged in the light path. Disengage them from the light path. * The light path selector knob of the trinocular tube is positioned halfway. Set the light path selector knob to the correct position. * The mirror selector lever is in an intermediate position. Set the knob correctly.
  • K
    Kayla LeeAug 28, 2025
    How to fix a blurred image on one side in my Olympus BX51M?
    • T
      tara87Aug 28, 2025
      If one side of the image is blurred on your Olympus Microscope, here are a few possible solutions: * The revolving nosepiece is not installed correctly. Secure it by pushing in the sliding dovetail all the way until the stopper. * The objective is not correctly engaged in the light path. Make sure that the revolving nosepiece clicks into place correctly. * The parallelism of the specimen cannot be achieved. Correct the specimen to make it parallel or replace the specimen. * The specimen is heavier than specified. Replace the specimen.
  • T
    Tracy WalkerAug 29, 2025
    Why can't I bring the specimen into focus on my Olympus BX51M Microscope?
    • M
      Michael JohnsonAug 30, 2025
      If the specimen cannot be brought into focus on your Olympus Microscope, the stage height adjustment may be too low. Raise the stage holder height.
  • J
    Jennifer CookeAug 31, 2025
    What causes glare in my Olympus Microscope image?
    • A
      Andrew VegaAug 31, 2025
      Image glare in your Olympus Microscope may be caused by the aperture iris diaphragm being closed too much. Open it sufficiently.
  • D
    Doris JohnsonSep 2, 2025
    Why does my Olympus BX51M bulb light intermittently?
    • S
      Susan MccallSep 2, 2025
      If your Olympus Microscope bulb lights intermittently, it could be because: * The bulb is nearly burned out. Replace the bulb. * A cord or connector is not properly connected. Connect cords and plugs securely.
  • R
    Rita DavisSep 4, 2025
    How to adjust a heavy coarse adjustment knob on my Olympus BX51M Microscope?
    • B
      Barbara WardSep 4, 2025
      If the coarse adjustment knob on your Olympus Microscope is too heavy to rotate: * The rotation tension adjustment ring is too tight. Loosen the ring to an optimum tightness. * The pre-focusing lever is locked. Release the pre-focusing lever.
  • D
    dustinhallSep 6, 2025
    What to do if my Olympus BX51M stage drifts down?
    • C
      Cory SolisSep 6, 2025
      If the stage of your Olympus Microscope drifts down by itself or focus is lost during observation, the tension adjustment ring may be too loose. Tighten the ring to an optimum tightness.

Summary

Microscope Safety and Handling

Important Usage Guidelines

Crucial information for the safe and effective use of the microscope.

Safety Precautions and Symbols

Explains safety symbols, warnings, and general cautions for handling.

Microscope Nomenclature

Component Identification

Identifies and labels the various parts of the BX51M microscope.

Reflected Light Observation Procedure

Brightfield;Darkfield Setup

Step-by-step guide for setting up brightfield or darkfield observation.

Using the Microscope Controls

Base and Light Controls

Instructions for using the voltage indicator and light intensity preset switch.

Focusing Block Operations

Guides on adjusting focus, replacing knobs, and managing tension.

Illuminator and Diaphragm Adjustments

Procedures for selecting light paths and centering diaphragms.

Stage Controls and Adjustments

Procedures for placing specimens, adjusting stage movement, and rotation.

Observation Tube Adjustments

Steps for adjusting interpupillary distance, diopter, and using special tubes.

Observation Methods

Brightfield;Darkfield Observation

Reference to the procedure for basic reflected light observation.

Nomarski DIC Observation

Setup and method for Nomarski Differential Interference Contrast.

Simplified Polarized Light Observation

Procedure for simplified polarized light observation.

Troubleshooting Guide

Optical System Troubleshooting

Common problems and solutions related to the microscope's optical components.

Electrical and Adjustment Troubleshooting

Troubleshooting for electrical issues and adjustment knob problems.

Specifications

System Specifications

Technical data on electrical systems, stage, and operating environment.

Optical Characteristics

Detailed optical characteristics of UIS2 series objectives and combinations.

Assembly Procedures

Assembly Diagram

Visual guide showing the sequence of assembling microscope modules.

Attaching Components

Step-by-step instructions for installing the halogen bulb, eyepieces, and power cord.

Power Supply Cord Selection

Certified Cord Information

Guidelines for selecting approved power supply cords based on agency certifications.

Olympus BX51M Specifications

General IconGeneral
Optical SystemInfinity-corrected optical system
Objective LensesPlan Apo
MagnificationDepends on objective and eyepiece combination
Eyepieces10x, 15x
Eyepiece TubeBinocular/Trinocular
StageMechanical stage
IlluminationHalogen lamp, LED
Observation MethodBrightfield, Darkfield, Phase Contrast, Fluorescence
FocusingCoarse and fine focusing
NosepieceRevolving nosepiece
CondenserAbbe condenser
Power SupplyAC power supply
Camera CompatibilityCompatible with various digital cameras

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