Pentax I-10 vs Sony A99

Below is a detailed analysis of the Pentax I-10 vs Sony A99, former being a Small Sensor Compact while the latter is a Advanced DSLR by competitors Pentax and Sony. There is a large difference between the sensor resolutions of the I-10 (12MP) and A99 (24MP) and the I-10 (1/2.3") and A99 (Full frame) have different sensor dimensions.

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The I-10 was manufactured 3 years earlier than the A99 and that is quite a serious difference as far as tech is concerned. Each of the cameras feature different body design with the Pentax I-10 being a Compact camera and the Sony A99 being a Mid-size SLR camera.

Before getting into a in-depth comparison, here is a simple view of how the I-10 matches up against the A99 with regards to portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Pentax Optio I-10 & Sony SLT-A99. The entire galleries are available at Pentax I-10 Gallery & Sony A99 Gallery.

For anyone who is looking to lug around your camera regularly, you'll need to factor in its weight and proportions. The Pentax I-10 comes with outside measurements of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") accompanied by a weight of 153 grams (0.34 lbs) whilst the Sony A99 has measurements of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") and a weight of 812 grams (1.79 lbs).

Look at the Pentax I-10 vs Sony A99 in our brand new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ depending on the lens you have attached during that time. Below is a front view sizing comparison of the I-10 compared to the A99.

Looking at size and weight, the portability score of the I-10 and A99 is 93 and 57 respectively.

In many cases, it's hard to picture the difference between sensor measurements purely by reading through specifications. The graphic below should give you a far better sense of the sensor sizing in the I-10 and A99.

To sum up, both the cameras come with different resolutions and different sensor measurements. The I-10 featuring a tinier sensor is going to make shooting shallow DOF tougher and the Sony A99 will give extra detail due to its extra 12MP. Higher resolution will help you crop pictures a good deal more aggressively. The older I-10 is going to be disadvantaged when it comes to sensor innovation.