Olympus E-M1 III vs Panasonic FS25

Here is a comprehensive review of the Olympus E-M1 III versus Panasonic FS25, former being a Pro Mirrorless while the other is a Small Sensor Compact by manufacturers Olympus and Panasonic. There is a considerable difference among the image resolutions of the E-M1 III (20MP) and FS25 (12MP) and the E-M1 III (Four Thirds) and FS25 (1/2.3") come with different sensor measurements.

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The E-M1 III was announced 11 years later than the FS25 and that is a fairly large difference as far as camera tech is concerned. Each of the cameras offer different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Panasonic FS25 being a Compact camera.

Before diving straight into a thorough comparison, below is a concise synopsis of how the E-M1 III matches up versus the FS25 with regard to portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Olympus OM-D E-M1 Mark III & Panasonic Lumix DMC-FS25. The whole galleries are provided at Olympus E-M1 III Gallery & Panasonic FS25 Gallery.

For those who are aiming to carry your camera, you have to factor its weight and proportions. The Olympus E-M1 III comes with physical dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) whilst the Panasonic FS25 has measurements of 97mm x 58mm x 22mm (3.8" x 2.3" x 0.9") with a weight of 148 grams (0.33 lbs).

Contrast the Olympus E-M1 III versus Panasonic FS25 in our brand new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change depending on the lens you have chosen at the time. Following is the front view size comparison of the E-M1 III versus the FS25.

Taking into consideration size and weight, the portability score of the E-M1 III and FS25 is 67 and 95 respectively.

Often, it's difficult to picture the gap in sensor sizing simply by going through a spec sheet. The visual below will offer you a more clear sense of the sensor sizes in the E-M1 III and FS25.

Clearly, both of the cameras offer different resolutions and different sensor sizing. The E-M1 III using its larger sensor is going to make getting shallow depth of field easier and the Olympus E-M1 III will show greater detail with its extra 8 Megapixels. Greater resolution will also make it easier to crop photos a little more aggressively. The more recent E-M1 III provides a benefit in sensor innovation.