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    CANON 8x20 IS - operating noise?

    Good on you! I'm unable to hear anything from my Canon 10x42L apart from the on/off noise. Logically there should be a hum as the prisms get adjusted, but obviously it is unobtrusive.
  2. E

    CANON 8x20 IS - operating noise?

    Interesting, my 10x42L IS makes a very noticeable click when the IS is engaged, but nothing more that I can hear. The caveat is that my high frequency hearing is like Boris Johnson's credibility, less that it perhaps once was. Can you describe what you hear?