Olympus 7040 vs Sony A57

Here is a detailed assessment of the Olympus 7040 versus Sony A57, former being a Small Sensor Compact while the other is a Entry-Level DSLR by rivals Olympus and Sony. The sensor resolution of the 7040 (14MP) and the A57 (16MP) is fairly close but the 7040 (1/2.3") and A57 (APS-C) provide different sensor measurements.

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The 7040 was announced 3 years prior to the A57 and that is a fairly serious difference as far as camera tech is concerned. Each of the cameras have different body design with the Olympus 7040 being a Compact camera and the Sony A57 being a Compact SLR camera.

Before getting right into a in-depth comparison, here is a short view of how the 7040 matches up vs the A57 in regards to portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Olympus Stylus 7040 & Sony SLT-A57. The whole galleries are available at Olympus 7040 Gallery & Sony A57 Gallery.

For those who are looking to carry your camera frequently, you will want to factor its weight and dimensions. The Olympus 7040 has got exterior measurements of 95mm x 56mm x 26mm (3.7" x 2.2" x 1.0") having a weight of 144 grams (0.32 lbs) while the Sony A57 has dimensions of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") accompanied by a weight of 618 grams (1.36 lbs).

Analyze the Olympus 7040 versus Sony A57 in our brand new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ dependant on the lens you are working with at that time. Below is a front view physical size comparison of the 7040 vs the A57.

Taking into account size and weight, the portability grade of the 7040 and A57 is 95 and 64 respectively.

Usually, its hard to visualize the gap in sensor sizing just by viewing specifications. The visual here might offer you a stronger sense of the sensor sizing in the 7040 and A57.

To sum up, the two cameras have different resolutions and different sensor sizing. The 7040 with its smaller sensor is going to make getting shallow depth of field harder and the Sony A57 will result in more detail with its extra 2 Megapixels. Greater resolution will also let you crop pics a bit more aggressively. The older 7040 will be disadvantaged with regard to sensor technology.