How to clean the beam splitter head
The recommended cleaning solution is "Sparkle" brand glass cleaner (purple variant), applied with Q-tips or Kimwipes. For stubborn residues, xylene, acetone, or 70% ethanol in distilled water can be used, with xylene being the most effective but potentially damaging to optical. This discussion focuses on the proper cleaning techniques for polarizing beamsplitter cubes, emphasizing the importance of using appropriate materials and methods to avoid damaging coatings. to dissasamble it, you need first to unscrew 1 or 2 minus screws on back side like showed with red fat lines. Using the squeegee, push backwards and forwards, up and down the glass to clean it. Is there a way I can somehow get the beamsplitter cleaned or replaced with out too much cost? Or does a hazy beamsplitter mean I need to start looking for a new Electro? Your best option is to find another parts camera and remove the entire rangefinder assembly.
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