Olympus E-M1 III vs Sony T99

Its time to take a closer look at the Olympus E-M1 III vs Sony T99, former being a Pro Mirrorless while the other is a Ultracompact by rivals Olympus and Sony. There exists a substantial gap among the image resolutions of the E-M1 III (20MP) and T99 (14MP) and the E-M1 III (Four Thirds) and T99 (1/2.3") use totally different sensor size.

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The E-M1 III was released 9 years later than the T99 and that is a fairly big difference as far as camera technology is concerned. Each of the cameras come with different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony T99 being a Ultracompact camera.

Before delving straight into a thorough comparison, below is a quick summary of how the E-M1 III grades vs the T99 with regard to portability, imaging, features and an overall rating.

The following is a sample of the gallery pics for Olympus OM-D E-M1 Mark III & Sony Cyber-shot DSC-T99. The complete galleries are viewable at Olympus E-M1 III Gallery & Sony T99 Gallery.

When you are planning to carry your camera, you are going to need to factor in its weight and dimensions. The Olympus E-M1 III features exterior measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) whilst the Sony T99 has dimensions of 93mm x 56mm x 17mm (3.7" x 2.2" x 0.7") having a weight of 121 grams (0.27 lbs).

Check the Olympus E-M1 III vs Sony T99 in our newest Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary depending on the lens you are using at the time. Following is the front view size comparison of the E-M1 III against the T99.

Taking into consideration dimensions and weight, the portability rating of the E-M1 III and T99 is 67 and 96 respectively.

Quite often, it's tough to visualise the contrast in sensor sizing purely by seeing technical specs. The visual below should give you a greater sense of the sensor measurements in the E-M1 III and T99.

As you can tell, both cameras have got different resolutions and different sensor sizing. The E-M1 III featuring a larger sensor will make achieving shallower depth of field less difficult and the Olympus E-M1 III will provide extra detail as a result of its extra 6 Megapixels. Greater resolution can also enable you to crop images much more aggressively. The fresher E-M1 III is going to have an edge in sensor technology.