Olympus E-M1 vs Sony A3000

Below is a extended assessment of the Olympus E-M1 versus Sony A3000, former being a Pro Mirrorless while the other is a Entry-Level Mirrorless by manufacturers Olympus and Sony. The sensor resolution of the E-M1 (16MP) and the A3000 (20MP) is fairly comparable but the E-M1 (Four Thirds) and A3000 (APS-C) have totally different sensor size.

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The E-M1 was unveiled 3 months later than the A3000 which means that they are both of a similar age. Each of the cameras feature the same body design (SLR-style mirrorless).

Before we go straight to a complete comparison, here is a brief summation of how the E-M1 scores versus the A3000 for portability, imaging, features and an overall grade.

Following is a sample of the gallery pictures for Olympus OM-D E-M1 & Sony Alpha A3000. The full galleries are available at Olympus E-M1 Gallery & Sony A3000 Gallery.

If you're looking to lug around your camera, you'll have to factor in its weight and size. The Olympus E-M1 offers outside measurements of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") along with a weight of 497 grams (1.10 lbs) while the Sony A3000 has specifications of 128mm x 91mm x 85mm (5.0" x 3.6" x 3.3") along with a weight of 411 grams (0.91 lbs).

Take a look at the Olympus E-M1 versus Sony A3000 in our brand new Camera & Lens Size Comparison Tool.

Take into account, the weight of an ILC will vary depending on the lens you are working with at that moment. Following is a front view measurement comparison of the E-M1 vs the A3000.

Taking into consideration dimensions and weight, the portability rating of the E-M1 and A3000 is 71 and 69 respectively.

Sometimes, it's difficult to visualise the gap in sensor measurements only by checking out specifications. The visual here should give you a far better sense of the sensor measurements in the E-M1 and A3000.

Plainly, both of the cameras come with different resolutions and different sensor measurements. The E-M1 with its smaller sensor will make achieving shallower depth of field more challenging and the Sony A3000 will show greater detail having an extra 4 Megapixels. Greater resolution will also let you crop photos a good deal more aggressively.