Canon SX70 HS vs Sony A7S III

Let's look a little more closely at the Canon SX70 HS versus Sony A7S III, one is a Small Sensor Superzoom and the other is a Pro Mirrorless by manufacturers Canon and Sony. There is a significant difference between the resolutions of the SX70 HS (20MP) and A7S III (12MP) and the SX70 HS (1/2.3") and A7S III (Full frame) boast totally different sensor dimensions.

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The SX70 HS was launched 22 months earlier than the A7S III making them a generation away from each other. Both of these cameras feature different body design with the Canon SX70 HS being a SLR-like (bridge) camera and the Sony A7S III being a SLR-style mirrorless camera.

Before we go straight to a full comparison, here is a short highlight of how the SX70 HS scores versus the A7S III when considering portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Canon PowerShot SX70 HS and Sony Alpha A7S III. The complete galleries are available at Canon SX70 HS Gallery and Sony A7S III Gallery.

For those who are aiming to travel with your camera regularly, you'll need to take into account its weight and dimensions. The Canon SX70 HS has got physical dimensions of 127mm x 91mm x 117mm (5.0" x 3.6" x 4.6") and a weight of 608 grams (1.34 lbs) while the Sony A7S III has dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") and a weight of 699 grams (1.54 lbs).

Look at the Canon SX70 HS versus Sony A7S III in the all new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you are using at that moment. Here is a front view scale comparison of the SX70 HS against the A7S III.

Factoring in size and weight, the portability rating of the SX70 HS and A7S III is 63 and 61 respectively.

Often, it can be difficult to see the contrast between sensor dimensions just by reading through technical specs. The pic below will give you a much better sense of the sensor dimensions in the SX70 HS and A7S III.

As you have seen, the 2 cameras come with different resolutions and different sensor dimensions. The SX70 HS due to its tinier sensor will make achieving shallower depth of field trickier and the Canon SX70 HS will give you more detail utilizing its extra 8MP. Greater resolution will enable you to crop pics a good deal more aggressively. The more aged SX70 HS is going to be behind with regard to sensor technology.