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Nikon Eclipse 55i Illuminator


This LED illuminator replaces the original Nikon Eclipse 55i illuminator. Although the original 55i illuminator is LED, the brightness of the original can best be described as pathetic. Our replacement uses state of the art CREE LEDs designed for illumination, not the plastic molded indicator LEDs used by Nikon for their 55i illuminator that are little changed from their introduction in the 1970’s. With our illuminator you will get orders of magnitude more light intensity, with easy control from 0 to 100%.

  • Custom-designed to replace the original Nikon Eclipse 55i illuminator.
  • New as of 3/8/2019: Our 55i replacement illuminator now provides complete coverage edge to edge with a 2X objective and 25mm diameter 10X eyepieces.
  • Easy installation with instructions and most tools provided.
  • All illuminator systems are backed by our 3-year warranty.


  • Illuminator Dimensions: 2.45 x 2.45 x 1.52 inch
  • Power Requirements: 5 to 24V/3.5W
  • Brightness: 410 lm
  • LED Expected Lifetime: 80% of Original Brightness at 88,500 Hours
  • Material: Anodized 6061 T6 Aluminum

Included Items – Click for Drawing

Installation Instructions – Click for Document


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