Olympus E-P1 vs Panasonic G3

Following is a extensive assessment of the Olympus E-P1 versus Panasonic G3, both Entry-Level Mirrorless cameras by manufacturers Olympus and Panasonic. There is a noticeable difference among the image resolutions of the E-P1 (12MP) and G3 (16MP) but they use the same exact sensor size (Four Thirds).

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The E-P1 was unveiled 23 months before the G3 making the cameras a generation away from each other. Both of these cameras offer different body type with the Olympus E-P1 being a Rangefinder-style mirrorless camera and the Panasonic G3 being a SLR-style mirrorless camera.

Before we go through a full comparison, below is a concise summation of how the E-P1 grades against the G3 with regard to portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Olympus PEN E-P1 & Panasonic Lumix DMC-G3. The full galleries are viewable at Olympus E-P1 Gallery & Panasonic G3 Gallery.

If you're intending to carry around your camera regularly, you'll have to consider its weight and measurements. The Olympus E-P1 has external dimensions of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") along with a weight of 355 grams (0.78 lbs) and the Panasonic G3 has proportions of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") along with a weight of 336 grams (0.74 lbs).

Contrast the Olympus E-P1 versus Panasonic G3 in our newest Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will change depending on the lens you are utilising at the time. Below is the front view measurement comparison of the E-P1 compared to the G3.

Taking into account size and weight, the portability grade of the E-P1 and G3 is 86 and 83 respectively.

Usually, it is hard to visualize the difference in sensor sizes purely by researching specs. The picture below might provide you a better sense of the sensor dimensions in the E-P1 and G3.

All in all, the two cameras enjoy the same exact sensor sizing but different resolution. You can anticipate the Panasonic G3 to provide you with extra detail having an extra 4 Megapixels. Greater resolution can also help you crop pics far more aggressively. The more aged E-P1 will be disadvantaged when it comes to sensor technology.