Olympus E-450 vs Sony A57

Let's look more closely at the Olympus E-450 and Sony A57, both Entry-Level DSLR digital cameras by brands Olympus and Sony. There is a huge difference between the sensor resolutions of the E-450 (10MP) and A57 (16MP) and the E-450 (Four Thirds) and A57 (APS-C) come with totally different sensor sizing.

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The E-450 was launched 4 years before the A57 and that is quite a significant gap as far as tech is concerned. The two cameras offer the identical body type (Compact SLR).

Before we go straight into a detailed comparison, below is a brief summation of how the E-450 matches up versus the A57 with regards to portability, imaging, features and an overall grade.

Below is a sample of the gallery pictures for Olympus E-450 and Sony SLT-A57. The complete galleries are provided at Olympus E-450 Gallery and Sony A57 Gallery.

For anybody who is planning to lug around your camera, you have to consider its weight and dimensions. The Olympus E-450 has 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) while the Sony A57 has dimensions of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") and a weight of 618 grams (1.36 lbs).

Check the Olympus E-450 and Sony A57 in the all new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you select at that time. Here is the front view measurements comparison of the E-450 compared to the A57.

Using size and weight, the portability rating of the E-450 and A57 is 77 and 64 respectively.

Oftentimes, it is tough to visualise the contrast between sensor measurements simply by reading through technical specs. The visual underneath might give you a stronger sense of the sensor sizing in the E-450 and A57.

As you have seen, both of those cameras enjoy different megapixels and different sensor measurements. The E-450 because of its tinier sensor will make achieving shallow depth of field tougher and the Sony A57 will give greater detail utilizing its extra 6 Megapixels. Greater resolution can also allow you to crop images far more aggressively. The older E-450 is going to be disadvantaged with regard to sensor tech.