Olympus E-1 vs Sony A100

Here, we will be comparing the Olympus E-1 vs Sony A100, one is a Pro DSLR and the latter is a Entry-Level DSLR by manufacturers Olympus and Sony. There is a significant difference between the image resolutions of the E-1 (5MP) and A100 (10MP) and the E-1 (Four Thirds) and A100 (APS-C) posses totally different sensor sizes.

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The E-1 was unveiled 3 years prior to the A100 which is quite a sizable gap as far as tech is concerned. Both of the cameras feature different body design with the Olympus E-1 being a Large SLR camera and the Sony A100 being a Compact SLR camera.

Before getting right into a complete comparison, here is a concise summation of how the E-1 matches up vs the A100 with regard to portability, imaging, features and an overall mark.

Following is a preview of the gallery photos for Olympus E-1 and Sony Alpha DSLR-A100. The full galleries are viewable at Olympus E-1 Gallery and Sony A100 Gallery.

If you're intending to travel with your camera regularly, you're going to have to factor its weight and size. The Olympus E-1 enjoys external measurements of 141mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 735 grams (1.62 lbs) while the Sony A100 has specifications of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") and a weight of 638 grams (1.41 lbs).

Contrast the Olympus E-1 vs Sony A100 in the new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you have at the time. Following is a front view dimensions comparison of the E-1 compared to the A100.

Looking at size and weight, the portability score of the E-1 and A100 is 59 and 64 respectively.

Oftentimes, it's difficult to visualise the difference between sensor dimensions simply by reviewing specifications. The picture below will offer you a stronger sense of the sensor measurements in the E-1 and A100.

To sum up, both cameras feature different megapixels and different sensor dimensions. The E-1 with its tinier sensor will make achieving shallow depth of field more challenging and the Sony A100 will deliver extra detail having an extra 5MP. Higher resolution will also help you crop pictures way more aggressively. The more aged E-1 is going to be behind with regard to sensor innovation.