Olympus E-P3 vs Panasonic GH3

Lets look more closely at the Olympus E-P3 vs Panasonic GH3, one being a Entry-Level Mirrorless and the other is a Advanced Mirrorless by rivals Olympus and Panasonic. There is a crucial difference between the image resolutions of the E-P3 (12MP) and GH3 (16MP) but both cameras have the identical sensor sizes (Four Thirds).

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The E-P3 was released 13 months prior to the GH3 making them a generation apart from each other. Each of these cameras feature different body design with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Panasonic GH3 being a SLR-style mirrorless camera.

Before delving straight to a step-by-step comparison, here is a simple summation of how the E-P3 grades against the GH3 with regards to portability, imaging, features and an overall rating.

Here is a sample of the gallery pics for Olympus PEN E-P3 and Panasonic Lumix DMC-GH3. The complete galleries are provided at Olympus E-P3 Gallery and Panasonic GH3 Gallery.

If you're going to carry your camera frequently, you need to factor its weight and dimensions. The Olympus E-P3 offers outside measurements of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") having a weight of 369 grams (0.81 lbs) whilst the Panasonic GH3 has dimensions of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") and a weight of 550 grams (1.21 lbs).

Contrast the Olympus E-P3 vs Panasonic GH3 in the latest Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you are utilizing during that time. Below is a front view over all size comparison of the E-P3 and the GH3.

Taking into consideration size and weight, the portability rating of the E-P3 and GH3 is 86 and 66 respectively.

Generally, its hard to see the difference between sensor sizing merely by going over a spec sheet. The visual here might give you a far better sense of the sensor measurements in the E-P3 and GH3.

As you can see, both of the cameras feature the identical sensor size but not the same megapixels. You should expect to see the Panasonic GH3 to offer more detail as a result of its extra 4MP. Greater resolution can also enable you to crop pics way more aggressively. The older E-P3 is going to be behind with regard to sensor innovation.