Why are Olympus MMF-1/MMF-2 Four Thirds to Micro Four Thirds adapters so expensive, and are there cheaper alternatives?
Asked 7/3/2011
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Olympus MMF-1 and MMF-2 adapters let you mount Four Thirds lenses on Micro Four Thirds cameras, but they often seem surprisingly expensive for what looks like a simple tube with electronic contacts. Why do these adapters cost so much? Is it mainly precision machining and electronic pass-through, or is it mostly a niche-market pricing issue? Also, are there lower-cost alternatives available from other brands?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
15y ago
2 Answers
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It's partly because they can be. Yes, it is a bit of precision machining with tight tolerances, it is multi-part and multi-material by nature, but it's also the poster child for niche markets. It requires buyers who have a substantial investment in Four Thirds lenses (and by "substantial" I don't mean a huge collection -- just enough to make purchasing new lenses distasteful) and a Micro Four Thirds camera.
It's telling that other "names" in the adapter field, like Adaptimax and Bower, don't offer a 4/3-μ4/3 adapter; that's sort of a giveaway about the size of the potential market, isn't it? Given that the tooling, quality control, packaging, marketing and distribution are all non-trivial, it's not just a matter of weighing the materials and adding a reasonable mark-up. It costs money just to put the things in inventory, and if the low-enders aren't bothering, there's probably a reason for it: they can't make the things at a profit.
Originally by user2719. Source · Licensed CC BY-SA 4.0
user2719
15y ago
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Generated from our catalog & community — verify before relying on it.
They’re expensive mostly because they’re a niche product, not because they’re just “a metal ring.”
These adapters need precise mechanical tolerances, solid mount construction, and electronic contacts that pass communication between lens and camera. That makes them more complex than a basic manual adapter. A good comparison is electronic extension tubes: once electronic communication and reliable fit are required, prices rise quickly.
But the bigger factor is likely supply and demand. The market is small: you need to own Four Thirds lenses and also use a Micro Four Thirds body. With relatively few buyers and limited competition, manufacturers can’t spread tooling, QC, packaging, and distribution costs across huge sales volumes.
So yes, part of the price is technical, but a large part is simply that it’s a low-volume accessory for a specialized audience.
As for alternatives, the community answers suggest there have not been many well-known third-party options, which itself points to the small market. If cheaper options exist, they’re likely limited compared with more common adapter types.
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