Pentax Efina vs Sony A7 III

Its time to look closer at the Pentax Efina versus Sony A7 III, former is a Ultracompact while the other is a Pro Mirrorless by companies Pentax and Sony. There exists a sizable gap among the resolutions of the Efina (14MP) and A7 III (24MP) and the Efina (1/2.3") and A7 III (Full frame) come with different sensor size.

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The Efina was announced 5 years prior to the A7 III which is a fairly significant difference as far as camera technology is concerned. Both of the cameras come with different body type with the Pentax Efina being a Ultracompact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before going in to a step-by-step comparison, below is a quick introduction of how the Efina scores versus the A7 III in the way of portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Pentax Efina & Sony Alpha A7 III. The whole galleries are viewable at Pentax Efina Gallery & Sony A7 III Gallery.

When you are planning to travel with your camera, you will have to think about its weight and measurements. 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 A7 III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Compare the Pentax Efina versus Sony A7 III in our completely new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ dependant on the lens you choose at the time. Below is the front view measurements comparison of the Efina and the A7 III.

Factoring in dimensions and weight, the portability grade of the Efina and A7 III is 97 and 63 respectively.

Typically, it is very tough to visualize the contrast in sensor dimensions purely by going through specs. The picture here will help offer you a stronger sense of the sensor dimensions in the Efina and A7 III.

As you can plainly see, the 2 cameras posses different resolutions and different sensor dimensions. The Efina using its smaller sensor is going to make achieving shallower DOF more challenging and the Sony A7 III will provide more detail with its extra 10MP. Greater resolution will also make it easier to crop photos somewhat more aggressively. The more aged Efina will be behind in sensor innovation.