Evidence-led camera gear reference · US edition
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Understanding Micro Four Thirds equivalent view

The Micro Four Thirds standards body explains that its diagonal is about half the 35 mm frame diagonal. Equivalent view is a comparison, not a focal-length change.

The Micro Four Thirds standards body explains that its diagonal is about half the 35 mm frame diagonal. Equivalent view is a comparison, not a focal-length change.

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Make the exact-model decision

Check the exact sensor mode and focal-length marking before comparing angles of view. Record the body’s sensor area, lens image-circle designation and exact still/movie mode. Check each focus and stabilization function separately.

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

Crop mode narrows the recorded view without changing the focal length printed on the lens. A still-AF statement may say nothing about movie AF. 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 test an exact pair 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.