Panasonic GH3 vs Sony A3000

Lets examine more closely at the Panasonic GH3 versus Sony A3000, one is a Advanced Mirrorless and the other is a Entry-Level Mirrorless by companies Panasonic and Sony. The image resolution of the GH3 (16MP) and the A3000 (20MP) is fairly well matched but the GH3 (Four Thirds) and A3000 (APS-C) come with totally different sensor sizes.

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The GH3 was brought out 11 months prior to the A3000 which means that they are of a similar generation. Both the cameras offer the identical body type (SLR-style mirrorless).

Before we go straight into a in depth comparison, below is a brief view of how the GH3 matches up versus the A3000 when it comes to portability, imaging, features and an overall score.

The following is a sample of the gallery pictures for Panasonic Lumix DMC-GH3 and Sony Alpha A3000. The entire galleries are available at Panasonic GH3 Gallery and Sony A3000 Gallery.

For anybody who is intending to carry around your camera, you're going to have to consider its weight and volume. The Panasonic GH3 has got external measurements of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") and a weight of 550 grams (1.21 lbs) whilst the Sony A3000 has sizing of 128mm x 91mm x 85mm (5.0" x 3.6" x 3.3") having a weight of 411 grams (0.91 lbs).

See the Panasonic GH3 versus Sony A3000 in the latest Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you have attached at the time. Following is the front view physical size comparison of the GH3 compared to the A3000.

Taking into account dimensions and weight, the portability grade of the GH3 and A3000 is 66 and 69 respectively.

Sometimes, it can be tough to visualise the difference between sensor sizes just by reading through a spec sheet. The image below will offer you a clearer sense of the sensor sizing in the GH3 and A3000.

As you can see, both the cameras offer different megapixel count and different sensor sizes. The GH3 because of its tinier sensor will make shooting shallower DOF trickier and the Sony A3000 will give more detail having its extra 4MP. Greater resolution will help you crop images a little more aggressively. The more aged GH3 is going to be disadvantaged with regard to sensor technology.