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Nikon Epiphot 200 50W Illuminator


This LED microscope illuminator replaces the original Nikon Epiphot 200 50W illuminator. Provides a whiter, brighter light than the original, while consuming 90% less energy and generating 90% less heat. Intensity control is continuous from 0-100%. Problems with heat damaged bulb sockets, connector and power supply failure are all eliminated and you will never have to change bulbs again. Don’t replace your high quality older microscope because of a bad illuminator. Replace your old Nikon Epiphot 200 50W illuminator with a new Nanodyne LED system. You can keep your perfectly good microscope working for a fraction of the price of an inferior new one. All Nanodyne illuminator systems include the power supply and required cables. Everything required for the illuminator is included. Your new Nanodyne illuminator will add decades of useful life to your microscope.

There are many different Epiphot microscope models and several different illuminators. The Epiphot 200 model may have either a 50W or 100W halogen illuminator. The original 50W illuminator has a black metal housing and attaches to a collector lens that screws into the microscope. The Nanodyne replacement for the Nikon Epiphot 200 50W illuminator mounts in the same way, but uses a special brass tip set screw to firmly hold the illuminator without damaging the collector lens.

We supply a different illuminator for the models with a 100W halogen bulb. The original 100W illuminators have a plastic housing that is larger than the 50W. It is usually white or cream colored, but can be black. To see our replacement for the 100W Epiphot 200 illuminator, click here.

If you are not sure which model you need, refer to the photos above, and the installation instructions in the link below. Contact us if we do not show the illuminator you need or you have further questions.

  • Custom-designed to replace the original Nikon Epiphot 200 50W illuminator.
  • Remote adjustment on an existing control on the microscope is standard. Brightness control potentiometer on the new illuminator available on request.
  • Easy installation with instructions and most tools provided.
  • All illuminator systems are backed by our 3-year warranty.


  • Illuminator Dimensions: 3.25 x 3.50 x 2.89 inch
  • Power Requirements: 5 to 24V/10W
  • Brightness: 825 lm
  • LED Expected Lifetime: >50,000 Hours
  • Material: Anodized 6061 T6 Aluminum

Included Items – Click for Drawing (Remote Pot – Standard)

Included Items – Click for Drawing (Mounted Pot – On request)

Installation Instructions – Click for Document

*NOTE: Set screws are pre-installed. Please inspect aluminum adapter before contact us.

Adjustment Options

Remote adjustment pot (standard), Mounted adjustment pot (on request)


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