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Blue Fireball M48 Male to M56 Female Thread Adapter # M-14

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  • Adapter for use with cameras with large sensors and accessories with M56 threads


  • M56x0.75 female thread on one side and M48x0.75 male thread on the other side
  • Low profile - only 1mm optical path length
  • Precision machined, black anodized aluminum


  • Weight = 0.3oz
  • Total length = 10.1mm (0.40")
  • M48 Male thread specification = M48x0.75
  • Length of M48 male thread (including unthreaded undercut) = 4.1mm (0.16")
  • M56 Female thread specification = M56x0.75
  • Length of M56 male thread (including unthreaded undercut) = 5.0mm (0.20")
  • Optical length = 1mm (0.04")
  • Clear aperture = 44.8mm (1.76")
  • Maximum outside diameter = 60.2mm (2.37")


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