Olympus E-520 vs Panasonic G1

Below is a detailed review of the Olympus E-520 and Panasonic G1, one being a Entry-Level DSLR and the other is a Entry-Level Mirrorless by brands Olympus and Panasonic. The image resolution of the E-520 (10MP) and the G1 (12MP) is very well matched and they feature the same exact sensor sizes (Four Thirds).

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The E-520 was introduced 5 months earlier than the G1 so they are both of a similar generation. Each of the cameras offer different body type with the Olympus E-520 being a Compact SLR camera and the Panasonic G1 being a SLR-style mirrorless camera.

Before delving through a more detailed comparison, below is a brief overview of how the E-520 grades vs the G1 in the way of portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Olympus E-520 and Panasonic Lumix DMC-G1. The whole galleries are viewable at Olympus E-520 Gallery and Panasonic G1 Gallery.

If you are looking to lug around your camera often, you will need to think about its weight and proportions. The Olympus E-520 has got external dimensions of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") with a weight of 552 grams (1.22 lbs) and the Panasonic G1 has measurements of 124mm x 84mm x 45mm (4.9" x 3.3" x 1.8") having a weight of 360 grams (0.79 lbs).

Look at the Olympus E-520 and Panasonic G1 in the latest Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilizing at the time. Following is the front view physical size comparison of the E-520 compared to the G1.

Taking into account size and weight, the portability rating of the E-520 and G1 is 68 and 82 respectively.

Oftentimes, it can be tough to imagine the difference between sensor measurements only by checking a spec sheet. The visual here might provide you a greater sense of the sensor dimensions in the E-520 and G1.

As you can see, both of the cameras enjoy the same exact sensor sizing but different megapixels. You should expect to see the Panasonic G1 to resolve greater detail using its extra 2MP. Greater resolution will help you crop photos far more aggressively.