Pentax RZ18 vs Sony A9 II

Here, we will be comparing the Pentax RZ18 versus Sony A9 II, one being a Small Sensor Superzoom and the latter is a Pro Mirrorless by brands Pentax and Sony. There exists a huge gap among the sensor resolutions of the RZ18 (16MP) and A9 II (24MP) and the RZ18 (1/2.3") and A9 II (Full frame) posses totally different sensor dimensions.

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The RZ18 was introduced 9 years earlier than the A9 II and that is a fairly significant gap as far as camera technology is concerned. Each of the cameras feature different body design with the Pentax RZ18 being a Compact camera and the Sony A9 II being a SLR-style mirrorless camera.

Before getting right into a step-by-step comparison, here is a quick view of how the RZ18 grades vs the A9 II in terms of portability, imaging, features and an overall rating.

This is a preview of the gallery images for Pentax Optio RZ18 and Sony Alpha A9 Mark II. The whole galleries are viewable at Pentax RZ18 Gallery and Sony A9 II Gallery.

For anybody who is intending to carry your camera regularly, you have to factor its weight and volume. The Pentax RZ18 comes with external dimensions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") and a weight of 178 grams (0.39 lbs) whilst the Sony A9 II has sizing of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") and a weight of 678 grams (1.49 lbs).

Compare the Pentax RZ18 versus Sony A9 II in the latest Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change based on the lens you are employing during that time. Below is a front view scale comparison of the RZ18 vs the A9 II.

Looking at dimensions and weight, the portability score of the RZ18 and A9 II is 92 and 62 respectively.

More often than not, it is tough to envision the gap in sensor sizing purely by looking through specs. The graphic underneath may give you a greater sense of the sensor sizes in the RZ18 and A9 II.

All in all, the two cameras come with different resolutions and different sensor sizing. The RZ18 using its smaller sensor will make getting bokeh trickier and the Sony A9 II will render more detail using its extra 8MP. Higher resolution will enable you to crop photographs a good deal more aggressively. The older RZ18 will be behind when it comes to sensor tech.