Canon SX520 HS vs Sony A7S III

In this write-up, we are matching up the Canon SX520 HS versus Sony A7S III, former is a Small Sensor Superzoom while the other is a Pro Mirrorless by companies Canon and Sony. There is a large difference between the resolutions of the SX520 HS (16MP) and A7S III (12MP) and the SX520 HS (1/2.3") and A7S III (Full frame) enjoy totally different sensor measurements.

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The SX520 HS was unveiled 7 years earlier than the A7S III which is quite a serious difference as far as tech is concerned. Both cameras offer different body type with the Canon SX520 HS being a Compact camera and the Sony A7S III being a SLR-style mirrorless camera.

Before diving straight into a complete comparison, below is a concise highlight of how the SX520 HS matches up versus the A7S III in relation to portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Canon PowerShot SX520 HS & Sony Alpha A7S III. The full galleries are available at Canon SX520 HS Gallery & Sony A7S III Gallery.

If you're going to carry around your camera, you will want to factor in its weight and proportions. The Canon SX520 HS provides outside dimensions of 120mm x 82mm x 92mm (4.7" x 3.2" x 3.6") along with a weight of 441 grams (0.97 lbs) whilst the Sony A7S III has measurements of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") accompanied by a weight of 699 grams (1.54 lbs).

Look at the Canon SX520 HS versus Sony A7S III in our brand new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will vary dependant on the lens you select at that time. Underneath is the front view sizing comparison of the SX520 HS compared to the A7S III.

Looking at size and weight, the portability rating of the SX520 HS and A7S III is 69 and 61 respectively.

Usually, its difficult to envision the difference between sensor sizes only by reviewing specs. The image underneath might offer you a more clear sense of the sensor sizes in the SX520 HS and A7S III.

As you can plainly see, both cameras enjoy different megapixel count and different sensor sizes. The SX520 HS with its tinier sensor will make getting shallow depth of field more difficult and the Canon SX520 HS will offer you extra detail having an extra 4 Megapixels. Greater resolution can also let you crop photos far more aggressively. The more aged SX520 HS is going to be behind in sensor tech.