Olympus SP-820UZ vs Sony A7 III

The following is a detailed review of the Olympus SP-820UZ and Sony A7 III, one is a Small Sensor Superzoom and the latter is a Pro Mirrorless by rivals Olympus and Sony. There exists a big gap among the resolutions of the SP-820UZ (14MP) and A7 III (24MP) and the SP-820UZ (1/2.3") and A7 III (Full frame) come with different sensor sizes.

Apple Innovates by Creating Next-Level Optical Stabilization for iPhone

The SP-820UZ was unveiled 6 years before the A7 III which is a fairly big gap as far as camera technology is concerned. Both of these cameras offer different body type with the Olympus SP-820UZ being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before going through a detailed comparison, below is a concise summation of how the SP-820UZ scores versus the A7 III in regards to portability, imaging, features and an overall mark.

This is a preview of the gallery photos for Olympus Stylus SP-820UZ and Sony Alpha A7 III. The full galleries are provided at Olympus SP-820UZ Gallery and Sony A7 III Gallery.

If you're planning to travel with your camera frequently, you will want to consider its weight and volume. The Olympus SP-820UZ offers outer measurements of 117mm x 78mm x 93mm (4.6" x 3.1" x 3.7") and a weight of 485 grams (1.07 lbs) and the Sony A7 III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 650 grams (1.43 lbs).

Look at the Olympus SP-820UZ and Sony A7 III in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you select at that time. The following is the front view measurements comparison of the SP-820UZ and the A7 III.

Factoring in dimensions and weight, the portability grade of the SP-820UZ and A7 III is 69 and 63 respectively.

Quite often, it is very hard to picture the difference in sensor dimensions merely by viewing specifications. The pic underneath may offer you a far better sense of the sensor measurements in the SP-820UZ and A7 III.

To sum up, both of those cameras enjoy different resolutions and different sensor dimensions. The SP-820UZ having a smaller sensor is going to make achieving shallower DOF more difficult and the Sony A7 III will provide you with extra detail having an extra 10 Megapixels. Higher resolution can also allow you to crop shots far more aggressively. The more aged SP-820UZ will be behind with regard to sensor innovation.