Olympus E-420 vs Panasonic G100

Below is a comprehensive comparison of the Olympus E-420 and Panasonic G100, one being a Entry-Level DSLR and the latter is a Entry-Level Mirrorless by competitors Olympus and Panasonic. There is a huge difference among the image resolutions of the E-420 (10MP) and G100 (20MP) but they come with the exact same sensor sizes (Four Thirds).

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The E-420 was revealed 13 years earlier than the G100 and that is a fairly significant gap as far as camera tech is concerned. Both cameras come with different body type with the Olympus E-420 being a Compact SLR camera and the Panasonic G100 being a SLR-style mirrorless camera.

Before getting through a full comparison, below is a concise summation of how the E-420 grades against the G100 with regard to portability, imaging, features and an overall grade.

The following is a preview of the gallery photos for Olympus E-420 and Panasonic Lumix DC-G100. The full galleries are available at Olympus E-420 Gallery and Panasonic G100 Gallery.

For anyone who is looking to lug around your camera regularly, you have to take into account its weight and proportions. The Olympus E-420 features outside measurements of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") and a weight of 426 grams (0.94 lbs) whilst the Panasonic G100 has measurements of 116mm x 83mm x 54mm (4.6" x 3.3" x 2.1") having a weight of 352 grams (0.78 lbs).

Check the Olympus E-420 and Panasonic G100 in the new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have at that moment. The following is the front view scale comparison of the E-420 vs the G100.

Looking at size and weight, the portability grade of the E-420 and G100 is 77 and 81 respectively.

Often, its hard to picture the difference in sensor measurements purely by looking through specs. The graphic here may provide you a greater sense of the sensor measurements in the E-420 and G100.

All in all, the two cameras posses the exact same sensor measurements albeit different MP. You should count on the Panasonic G100 to provide you with more detail because of its extra 10MP. Higher resolution will enable you to crop pictures somewhat more aggressively. The older E-420 will be behind in sensor innovation.