On the surface, the new Sony A7 III and the nearly two-year-old Fujifilm X-T2 appear to have much in common. In addition to sporting a weather-resistant SLR-esque body and a large electronic viewfinder at the centre of the body, both models incorporate a 24MP of resolution, an advanced hybrid autofocus system, and 4K video capabilities.

However, by digging a little deeper below the surface, it soon becomes clear there are some differences worth investigating. Let’s find out what they are now.

1. APS-C versus full-frame sensor

The difference in sensor size becomes obvious from the moment you remove the lens mount cap. Whereas the A7 III houses a full-frame Exmor R CMOS sensor with BSI (back-illuminated) technology, the X-T2 has the latest version of the X-Trans APS-C sensor (III). You can get an idea of the difference in size by looking at the diagram below.
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