Panasonic G1 vs Sony A100

Following is a in depth analysis of the Panasonic G1 versus Sony A100, former is a Entry-Level Mirrorless while the latter is a Entry-Level DSLR by rivals Panasonic and Sony. The resolution of the G1 (12MP) and the A100 (10MP) is relatively comparable but the G1 (Four Thirds) and A100 (APS-C) come with totally different sensor sizing.

Photography Glossary

The G1 was brought out 2 years after the A100 which is a fairly large difference as far as camera technology is concerned. Both of the cameras come with different body type with the Panasonic G1 being a SLR-style mirrorless camera and the Sony A100 being a Compact SLR camera.

Before diving in to a in depth comparison, below is a concise summary of how the G1 scores vs the A100 in the way of portability, imaging, features and an overall score.

Here is a preview of the gallery photos for Panasonic Lumix DMC-G1 & Sony Alpha DSLR-A100. The entire galleries are available at Panasonic G1 Gallery & Sony A100 Gallery.

In case you're aiming to carry around your camera, you should think about its weight and proportions. The Panasonic G1 enjoys physical measurements of 124mm x 84mm x 45mm (4.9" x 3.3" x 1.8") having a weight of 360 grams (0.79 lbs) while the Sony A100 has measurements of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") along with a weight of 638 grams (1.41 lbs).

Check the Panasonic G1 versus Sony A100 in our newest Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will differ depending on the lens you have at that moment. Here is the front view dimensions comparison of the G1 and the A100.

Factoring in dimensions and weight, the portability grade of the G1 and A100 is 82 and 64 respectively.

More often than not, it is difficult to visualise the contrast in sensor sizes merely by going through specifications. The image here may give you a better sense of the sensor measurements in the G1 and A100.

To sum up, both of the cameras have got different megapixel count and different sensor sizes. The G1 due to its smaller sensor will make getting shallow depth of field tougher and the Panasonic G1 will provide extra detail having its extra 2 Megapixels. Higher resolution will enable you to crop shots much more aggressively. The younger G1 will have a benefit in sensor innovation.