Pentax I-10 vs Sony A100

Here is a complete assessment of the Pentax I-10 vs Sony A100, former being a Small Sensor Compact while the latter is a Entry-Level DSLR by manufacturers Pentax and Sony. The image resolution of the I-10 (12MP) and the A100 (10MP) is pretty similar but the I-10 (1/2.3") and A100 (APS-C) come with different sensor measurements.

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The I-10 was brought out 3 years later than the A100 and that is quite a significant difference as far as tech is concerned. Both of the cameras come with different body type with the Pentax I-10 being a Compact camera and the Sony A100 being a Compact SLR camera.

Before diving in to a thorough comparison, below is a brief introduction of how the I-10 grades versus the A100 with respect to portability, imaging, features and an overall rating.

Here is a preview of the gallery images for Pentax Optio I-10 & Sony Alpha DSLR-A100. The entire galleries are available at Pentax I-10 Gallery & Sony A100 Gallery.

When you are looking to carry your camera regularly, you are going to need to factor in its weight and dimensions. The Pentax I-10 features outer dimensions of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") and a weight of 153 grams (0.34 lbs) whilst the Sony A100 has dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") having a weight of 638 grams (1.41 lbs).

Look at the Pentax I-10 vs Sony A100 in our brand new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ based on the lens you are using during that time. Below is the front view measurements comparison of the I-10 compared to the A100.

Factoring in size and weight, the portability score of the I-10 and A100 is 93 and 64 respectively.

Usually, it's tough to imagine the difference between sensor sizing just by reading a spec sheet. The visual underneath may provide you a much better sense of the sensor sizes in the I-10 and A100.

Clearly, each of these cameras have got different megapixel count and different sensor sizing. The I-10 because of its tinier sensor is going to make shooting shallower DOF more difficult and the Pentax I-10 will offer greater detail having its extra 2MP. Higher resolution will enable you to crop photographs much more aggressively. The newer I-10 should have an advantage in sensor innovation.