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Blue Fireball M48 Male (M48x0.75) to M54 Male (M54x0.75) Adapter # M-03

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  • Adapter for use with cameras with large sensors and accessories with M54 threads offered by companies like ZWO, Atik, Trutek, etc.


  • Precision machined, black anodized aluminum


  • Weight = 0.6oz
  • Total length = 9.2mm (0.36")
  • M48 Male thread specification = M48x0.75
  • Length of M48 male thread (including unthreaded undercut) = 4mm (0.16")
  • M54 Male thread specification = M54x0.75
  • Length of M54 male thread (including unthreaded undercut) = 3mm (0.12")
  • Optical length = 2.1mm (0.08")
  • Clear aperture = 43.8mm (1.72")
  • Maximum outside diameter = 69mm (2.72")


Note: Occasionally, the product you receive might have a slightly different cosmetic appearance or labeling than what is shown. This can often change from batch to batch according to the whims of the manufacturer. However, you will always receive a brand new, original product as described above.

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Filed under: Eyepieces & Accessories