Pentax RS1500 vs Sony A7 III

Let's look much closer at the Pentax RS1500 versus Sony A7 III, former is a Small Sensor Compact while the other is a Pro Mirrorless by companies Pentax and Sony. There is a considerable difference among the image resolutions of the RS1500 (14MP) and A7 III (24MP) and the RS1500 (1/2.3") and A7 III (Full frame) provide totally different sensor sizes.

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The RS1500 was released 8 years before the A7 III which is a fairly large difference as far as camera tech is concerned. Both the cameras feature different body design with the Pentax RS1500 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before delving straight to a in depth comparison, here is a simple introduction of how the RS1500 matches up versus the A7 III when considering portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Pentax Optio RS1500 & Sony Alpha A7 III. The complete galleries are viewable at Pentax RS1500 Gallery & Sony A7 III Gallery.

For anyone who is aiming to travel with your camera, you are going to need to factor its weight and volume. The Pentax RS1500 provides physical measurements of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") accompanied by a weight of 157 grams (0.35 lbs) while the Sony A7 III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 650 grams (1.43 lbs).

Examine the Pentax RS1500 versus Sony A7 III in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ depending on the lens you are utilising at that moment. Below is a front view over all size comparison of the RS1500 and the A7 III.

Considering size and weight, the portability score of the RS1500 and A7 III is 93 and 63 respectively.

Oftentimes, its difficult to visualise the difference in sensor dimensions simply by viewing technical specs. The picture below will provide you a greater sense of the sensor sizing in the RS1500 and A7 III.

As you can tell, both cameras feature different resolutions and different sensor dimensions. The RS1500 because of its smaller sensor will make achieving shallow DOF more challenging and the Sony A7 III will render more detail as a result of its extra 10 Megapixels. Greater resolution will also allow you to crop photos way more aggressively. The more aged RS1500 will be disadvantaged when it comes to sensor innovation.