Olympus E-400 vs Sony A900

On this page, we are comparing the Olympus E-400 and Sony A900, one being a Entry-Level DSLR and the other is a Advanced DSLR by brands Olympus and Sony. There exists a huge gap between the sensor resolutions of the E-400 (10MP) and A900 (25MP) and the E-400 (Four Thirds) and A900 (Full frame) provide different sensor size.

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The E-400 was announced 3 years before the A900 and that is quite a significant gap as far as technology is concerned. Both of the cameras have different body design with the Olympus E-400 being a Compact SLR camera and the Sony A900 being a Mid-size SLR camera.

Before getting straight to a in depth comparison, here is a concise introduction of how the E-400 matches up versus the A900 in relation to portability, imaging, features and an overall rating.

Following is a sample of the gallery pics for Olympus E-400 and Sony Alpha DSLR-A900. The whole galleries are available at Olympus E-400 Gallery and Sony A900 Gallery.

For anybody who is looking to carry your camera often, you will need to factor in its weight and size. The Olympus E-400 comes with physical dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") having a weight of 435 grams (0.96 lbs) and the Sony A900 has specifications of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") accompanied by a weight of 895 grams (1.97 lbs).

See the Olympus E-400 and Sony A900 in the all 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 time. Following is a front view proportions comparison of the E-400 compared to the A900.

Factoring in dimensions and weight, the portability score of the E-400 and A900 is 77 and 54 respectively.

Sometimes, it's difficult to picture the gap between sensor sizing purely by checking specs. The graphic here may provide you a more clear sense of the sensor sizes in the E-400 and A900.

As you can plainly see, each of these cameras have different megapixels and different sensor sizing. The E-400 using its tinier sensor is going to make shooting shallower depth of field more challenging and the Sony A900 will resolve more detail with its extra 15MP. Greater resolution will also make it easier to crop pics a bit more aggressively. The older E-400 is going to be disadvantaged in sensor technology.