Pentax E90 vs Sony A99

In this article, we will be reviewing the Pentax E90 and Sony A99, former being a Small Sensor Compact while the latter is a Advanced DSLR by competitors Pentax and Sony. There is a substantial difference among the image resolutions of the E90 (10MP) and A99 (24MP) and the E90 (1/2.3") and A99 (Full frame) possess totally different sensor size.

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The E90 was manufactured 3 years prior to the A99 and that is a fairly big difference as far as camera tech is concerned. Both the cameras offer different body type with the Pentax E90 being a Compact camera and the Sony A99 being a Mid-size SLR camera.

Before getting straight into a detailed comparison, below is a concise overview of how the E90 grades vs the A99 when it comes to portability, imaging, features and an overall grade.

The following is a preview of the gallery images for Pentax Optio E90 & Sony SLT-A99. The entire galleries are viewable at Pentax E90 Gallery & Sony A99 Gallery.

When you are planning to lug around your camera, you should factor its weight and measurements. The Pentax E90 has got outer measurements of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") with a weight of 145 grams (0.32 lbs) and the Sony A99 has proportions of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") having a weight of 812 grams (1.79 lbs).

Check out the Pentax E90 and Sony A99 in our newest Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change depending on the lens you have chosen at that moment. Following is the front view measurement comparison of the E90 versus the A99.

Factoring in size and weight, the portability rating of the E90 and A99 is 94 and 57 respectively.

Often, it's tough to see the gap in sensor measurements simply by seeing specs. The visual below will help offer you a far better sense of the sensor measurements in the E90 and A99.

As you can plainly see, both of those cameras enjoy different megapixel count and different sensor measurements. The E90 because of its smaller sensor will make achieving shallower depth of field more challenging and the Sony A99 will produce more detail due to its extra 14MP. Higher resolution will also allow you to crop photographs far more aggressively. The older E90 will be disadvantaged in sensor tech.