Evidence-led camera gear reference · US edition
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Micro Four Thirds vs Four Thirds lenses

These standards share a sensor format but not the same physical mount. The standards organization says Four Thirds lenses can be used on MFT with an adapter.

These standards share a sensor format but not the same physical mount. The standards organization says Four Thirds lenses can be used on MFT with an adapter.

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Make the exact-model decision

Look up the adapter and specific camera-lens feature table; do not infer AF speed from physical fit. First identify the physical mount on the camera and lens, not just the maker name. A body may support a separate older family only through a named adapter.

A manufacturer example

The Micro Four Thirds standards body distinguishes Four Thirds from Micro Four Thirds, describes an FT-to-MFT adapter route and says makers can implement additional features differently. Use the linked page for its stated model and revision; a different model may need a different support document.

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Where to draw the line

A match in the mount label establishes a route to investigate; it does not prove image coverage, AF mode or rear clearance. If a source does not address the exact feature you need, record that feature as unknown rather than treating silence as support or incompatibility.

Your next step

Take the model code from the body or lens label, open the official source below, and compare its scope with the equipment you have. Then use the compare mount systems to organize what is known. Do not mount an item that resists or appears on a maker’s exclusion list.

Official sources and scope

Checked for this reference on October 30, 2026. Product firmware and support lists can change; inspect the current maker page for your exact revision.