The best replacement for m42 is m44.

The best alternatives to m42 are rated as following:
★★★★★  m44
★★★★  m20
★★★  s14
★★★  m10
★★★  t mount
★★  m35
★★  m39
★★  k mount
★  m35 cobalt
★  m40
★  m44 engine
★  m2
  e36 m42
  m mount

Your alternative for m42 is not listed? Suggest!
Speaking about m42, one probably shouldn't forget about eos.

Other search terms related to m42 and their ratings are:
★★★★★ eos
You have in mind a companion for m42 and it is not yet here? Propose!



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m42
m44
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