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  1. pete_gamby

    MM3/4 60. Fixed x30 eyepiece?

    It's a 12mm focal length. HTH Cheers, Pete
  2. pete_gamby

    MM3/4 60. Fixed x30 eyepiece?

    The HR won't be as comfortable to use or as sharp as a comparable HDF. However it would have a wider field of view compared to the HDF at the same magnification. The discontinued 40858 HDF would be 32x on the MM3 60. Info is here...