Panasonic G3 vs Sony A100

Here, we will be matching up the Panasonic G3 vs Sony A100, one is a Entry-Level Mirrorless and the latter is a Entry-Level DSLR by companies Panasonic and Sony. There exists a sizeable gap among the sensor resolutions of the G3 (16MP) and A100 (10MP) and the G3 (Four Thirds) and A100 (APS-C) boast totally different sensor sizes.

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The G3 was brought out 5 years after the A100 which is a fairly large gap as far as camera technology is concerned. Each of these cameras feature different body design with the Panasonic G3 being a SLR-style mirrorless camera and the Sony A100 being a Compact SLR camera.

Before delving right into a full comparison, here is a quick view of how the G3 scores vs the A100 for portability, imaging, features and an overall mark.

The following is a preview of the gallery images for Panasonic Lumix DMC-G3 and Sony Alpha DSLR-A100. The entire galleries are viewable at Panasonic G3 Gallery and Sony A100 Gallery.

For those who are going to travel with your camera often, you'll have to think about its weight and measurements. The Panasonic G3 offers exterior measurements of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") and a weight of 336 grams (0.74 lbs) and the Sony A100 has proportions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") having a weight of 638 grams (1.41 lbs).

Check out the Panasonic G3 vs Sony A100 in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilising at the time. The following is a front view measurements comparison of the G3 vs the A100.

Factoring in dimensions and weight, the portability rating of the G3 and A100 is 83 and 64 respectively.

Normally, it is very difficult to envision the contrast in sensor dimensions simply by seeing technical specs. The picture below will help provide you a clearer sense of the sensor sizing in the G3 and A100.

As you have seen, the two cameras come with different resolutions and different sensor dimensions. The G3 due to its smaller sensor will make achieving shallower depth of field more challenging and the Panasonic G3 will produce extra detail having its extra 6MP. Higher resolution will also make it easier to crop shots a good deal more aggressively. The more modern G3 is going to have an edge when it comes to sensor tech.