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Sensor size is the biggest difference between mirrorless cameras.

Last updated: October 31, 2026.

Full frame

Larger sensor, better low light and shallow depth of field; costs more. See full-frame cameras.

APS-C

Smaller and cheaper bodies and lenses. See Sony APS-C and Fujifilm.

Which to choose

Choose APS-C for budget and size, full frame for low light and image quality.

Frequently Asked Questions

Is full frame better?

Not always.

Cheapest full frame?

Check Canon R8.

Lens cost?

Full frame lenses cost more.

Bottom Line

Most beginners are fine with APS-C; step up to full frame for low-light work.

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