Pentax I-10 vs Sony NEX-3

Its time to look closer at the Pentax I-10 and Sony NEX-3, one is a Small Sensor Compact and the other is a Entry-Level Mirrorless by manufacturers Pentax and Sony. The image resolution of the I-10 (12MP) and the NEX-3 (14MP) is fairly well matched but the I-10 (1/2.3") and NEX-3 (APS-C) enjoy different sensor size.

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The I-10 was released 4 months prior to the NEX-3 which means that they are of a similar generation. Both the cameras come with different body type with the Pentax I-10 being a Compact camera and the Sony NEX-3 being a Rangefinder-style mirrorless camera.

Before we go in to a in depth comparison, below is a simple synopsis of how the I-10 grades vs the NEX-3 for portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Pentax Optio I-10 and Sony Alpha NEX-3. The complete galleries are viewable at Pentax I-10 Gallery and Sony NEX-3 Gallery.

For anyone who is planning to carry around your camera often, you'll need to factor its weight and volume. The Pentax I-10 provides outer dimensions of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") along with a weight of 153 grams (0.34 lbs) while the Sony NEX-3 has sizing of 117mm x 62mm x 33mm (4.6" x 2.4" x 1.3") and a weight of 297 grams (0.65 lbs).

Examine the Pentax I-10 and Sony NEX-3 in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are working with at that moment. Following is the front view physical size comparison of the I-10 against the NEX-3.

Factoring in size and weight, the portability score of the I-10 and NEX-3 is 93 and 89 respectively.

Oftentimes, it can be tough to picture the gap between sensor sizes simply by looking at specs. The pic below should offer you a clearer sense of the sensor sizes in the I-10 and NEX-3.

As you can plainly see, both of these cameras have got different megapixels and different sensor sizes. The I-10 due to its tinier sensor is going to make shooting shallower DOF trickier and the Sony NEX-3 will resolve greater detail as a result of its extra 2MP. Greater resolution will also allow you to crop photos much more aggressively.