Pentax Efina vs Sony A9

Below, we will be looking at the Pentax Efina and Sony A9, one being a Ultracompact and the latter is a Pro Mirrorless by manufacturers Pentax and Sony. There exists a big gap among the sensor resolutions of the Efina (14MP) and A9 (24MP) and the Efina (1/2.3") and A9 (Full frame) possess different sensor measurements.

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The Efina was launched 4 years before the A9 and that is a fairly big gap as far as camera technology is concerned. Both the cameras come with different body type with the Pentax Efina being a Ultracompact camera and the Sony A9 being a SLR-style mirrorless camera.

Before going through a thorough comparison, below is a simple summation of how the Efina scores versus the A9 for portability, imaging, features and an overall rating.

Below is a preview of the gallery images for Pentax Efina and Sony Alpha A9. The complete galleries are viewable at Pentax Efina Gallery and Sony A9 Gallery.

When you are going to carry your camera often, you'll need to take into account its weight and size. The Pentax Efina features outside dimensions of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") with a weight of 91 grams (0.20 lbs) while the Sony A9 has specifications of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") along with a weight of 673 grams (1.48 lbs).

Look at the Pentax Efina and Sony A9 in the all new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary based on the lens you are using at that moment. Here is the front view measurements comparison of the Efina and the A9.

Factoring in dimensions and weight, the portability grade of the Efina and A9 is 97 and 65 respectively.

Quite often, its hard to visualize the gap in sensor sizing only by looking through specifications. The graphic here may offer you a stronger sense of the sensor dimensions in the Efina and A9.

Plainly, both the cameras have got different resolutions and different sensor sizing. The Efina due to its smaller sensor is going to make shooting shallow DOF tougher and the Sony A9 will provide you with extra detail utilizing its extra 10MP. Higher resolution will let you crop pictures much more aggressively. The older Efina will be disadvantaged in sensor innovation.