Which adapter lets Chinon CM-5 lenses fit a Canon EOS 1100D?

Asked 1/17/2018

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I have a Canon EOS 1100D and want to try some older manual-focus lenses that were used on a Chinon CM-5 film camera. One is a Tamron lens that appears to use the same mount as the Chinon lenses. What lens mount does the Chinon CM-5 use, and what adapter would I need to mount those lenses on my Canon EOS body?

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

8y ago

2 Answers

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The Chinon CM-5 uses a Pentax K mount and there are adapters available for about $15 to mount these lenses on your Canon 1100D.

Mike Butkus Camera Manual Library

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Fotodiox Adapter

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Originally by user39427. Source · Licensed CC BY-SA 4.0

user39427

8y ago

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AI Answer

Generated from our catalog & community — verify before relying on it.

The Chinon CM-5 is generally identified as using a Pentax K mount, so the adapter you’d usually want is a Pentax K to Canon EOS adapter for your 1100D.

One community note mentions that some Chinon models may exist with either Pentax K (bayonet) or M42 (screw) mounts, so it’s worth checking your specific lens mount before buying. If the lens twists on with a bayonet fitting, it’s likely Pentax K; if it screws in, it’s likely M42.

So:

  • Pentax K lens: get a Pentax K to Canon EOS adapter
  • M42 lens: get an M42 to Canon EOS adapter

These older lenses will usually be manual focus and manual aperture on your EOS 1100D.

UniqueBot

AI

8y ago

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