Sony A100 vs Sony A77

Here, we are contrasting the Sony A100 versus Sony A77, one being a Entry-Level DSLR and the other is a Advanced DSLR and both are created by Sony. There is a huge difference among the image resolutions of the A100 (10MP) and A77 (24MP) but both cameras have the identical sensor dimensions (APS-C).

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The A100 was unveiled 6 years before the A77 and that is a fairly significant gap as far as camera tech is concerned. The two cameras feature different body design with the Sony A100 being a Compact SLR camera and the Sony A77 being a Mid-size SLR camera.

Before delving straight to a thorough comparison, here is a short introduction of how the A100 grades against the A77 for portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Sony Alpha DSLR-A100 and Sony SLT-A77. The full galleries are viewable at Sony A100 Gallery and Sony A77 Gallery.

For those who are intending to carry your camera regularly, you will want to consider its weight and proportions. The Sony A100 offers exterior dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") with a weight of 638 grams (1.41 lbs) and the Sony A77 has measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 732 grams (1.61 lbs).

See the Sony A100 versus Sony A77 in the new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you are employing at the time. The following is a front view overall size comparison of the A100 compared to the A77.

Considering size and weight, the portability score of the A100 and A77 is 64 and 59 respectively.

In many cases, it can be difficult to visualize the contrast in sensor sizing just by viewing specs. The photograph here may offer you a clearer sense of the sensor dimensions in the A100 and A77.

All in all, each of these cameras feature the identical sensor size but different megapixels. You should expect to see the Sony A77 to provide you with greater detail having an extra 14MP. Greater resolution can also let you crop images way more aggressively. The older A100 will be disadvantaged in sensor innovation.