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Olympus Model BX50
HBO 100W Mercury Illuminator
100W Halogen (for Transmitted)
Upright Fluorescence Microscope

Olympus BX50 Upright Fluorescence Microscope

USD $4,500

Model: Olympus BX50
Shipping Cost: Free USA Shipping.


Olympus BX50 Upright Fluorescence MicroscopeOlympus BX50 Upright Fluorescence MicroscopeOlympus BX50 Upright Fluorescence MicroscopeOlympus BX50 Upright Fluorescence MicroscopeOlympus BX50 Upright Fluorescence MicroscopeOlympus BX50 Upright Fluorescence MicroscopeOlympus BX50 Upright Fluorescence MicroscopeOlympus BX50 Upright Fluorescence Microscope

Main Features:

  • Frame Model: Model BX50F.  Made in Japan.
  • Trinocular Viewing Head with photo port.
  • Objective Nosepiece 5-place for up to 5 lenses.
  • 4-Position Reflector Cube Turret.
  • 100W halogen lamp housing. (compare that to only 30W for the BX40).
  • Abbe Condenser 1.25 N.A.  U-AC.
  • Left hand XY stage with slide movement.
  • Eyepiece Pair 10X/22.  One is a Helicoid that is adjustable. Includes a pair of NEW cupping rubber eyeguards that helps to block light from the sides for higher intensity specimen imaging.
  • Original Olympus 3mm hex screwdriver.
  • Included all needed power cords.
  • Includes 12V 100W spare bulb.
  • DOES NOT INCLUDE CAMERA OR C-MOUNT ADAPTER. Camera is shown in images to demonstrate that one can be connected.

Transmitted Light Filters:

  • LBD Daylight Balanced Filter for Transmitted Light.
  • ND6 Neutral Density.
  • ND25 Neutral Density.

Objective Lenses:

  • UPlanFl 4x / 0.13, infinity/-.
  • UPlanFl 10x / 0.30, infinity/-.
  • Plan 40x / 0.65, infinity/0.17.
  • Plan 100x / 1.25, infinity/-. Oil Immersion.

Included Filter Cubes: 

  • FITC. U-MNB Narrow Blue. The performance was tested and this produced excellent fluorescing images. This cube has no signs of usage.
  • Includes light blockers on the empty spaces. This is important to prevent harmful UV light going into the eyepieces.

Fluorescence System:

  • Mercury power supply.  External.  100W.
  • HBO lamp housing. U-ULS100HG. With Mercury bulb.
  • Fluorescent rotary turret with positions for up to 4 dichroic cubes.
  • Vertical Illuminator with Shutter, Field Stop, Aperature Stop, centering for FS and AS, and slot for optional neutral density filters.


  • Head has photo port.  Internal prism gives ability to take light 100% to eyepieces or split or 100% to camera port.
  • Does not include Olympus c-mount adapter but one is shown in photos.

Comments and other Notes:  

  • This microscope is in fine condition and works well.
  • This is a high quality Olympus (Made in Japan) optical instrument.  
  • Volt Switch on rear.  100-120 / 220/240.
  • HBO external power supply is 110 V only. If you need 220 V, let us know and we can provide a solution for you at additional cost.
  • Travel lock stop for focusing. This protects the slides.
  • Course focus tension adjustment knob.
  • Preset illumination button.

Testing Results:

  • This microscope was fully tested.  Results are as follows:
  • All functions were found to be in proper working order.
  • Brightfield – Koehler illumination was set properly, with all adjustments and centering being properly achieved.
  • Incident Reflected Fluorescence – HBO Bulb was properly centered obtaining bright, clear, and uniform illumination distribution across the complete field of view.
  • Fluorescing Achieved – Excellent fluorescence images were obtained.

Optional Accessories:

  • We have a wide variety of optional scientific cameras, both monochrome and color, with and without Peltier cooling.
  • Optional Neutral Density Filter Sliders:  ND25 and ND6.  These are included on the transmitted light path but not on the reflected/incident light. 
  • Other objectives. We have a wide variety of objectives to select from.
  • We can supply brand new replacement 100W HBO Mercury Bulbs and Halogen bulbs.
  • Brand new Chroma hard coated filter cubes with lifetime warranty may be added.  Cost is USD $750/set for the dichroic filter (emission filter, dichroic mirror, barrier filter) including the blank cube.

Price Comparison:

  • When comparing our price to others, keep in mind these things:
  • We are including a one year warranty, money back guarantee, and free shipping that are value added additions not given by most resellers and should be added to the value.  

User Manual and Instructions: 

  • Upon purchase, we will email links to the user manuals / instructions.