Panasonic G2 vs Pentax RZ18

Here, we will be matching up the Panasonic G2 and Pentax RZ18, one being a Entry-Level Mirrorless and the latter is a Small Sensor Superzoom by manufacturers Panasonic and Pentax. There is a huge difference between the sensor resolutions of the G2 (12MP) and RZ18 (16MP) and the G2 (Four Thirds) and RZ18 (1/2.3") boast different sensor dimensions.

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The G2 was unveiled 14 months earlier than the RZ18 which makes them a generation apart from each other. Both of these cameras feature different body design with the Panasonic G2 being a SLR-style mirrorless camera and the Pentax RZ18 being a Compact camera.

Before diving straight to a detailed comparison, here is a short view of how the G2 grades against the RZ18 for portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Panasonic Lumix DMC-G2 and Pentax Optio RZ18. The full galleries are viewable at Panasonic G2 Gallery and Pentax RZ18 Gallery.

In case you're aiming to carry your camera, you need to consider its weight and size. The Panasonic G2 has exterior dimensions of 124mm x 84mm x 74mm (4.9" x 3.3" x 2.9") along with a weight of 428 grams (0.94 lbs) while the Pentax RZ18 has specifications of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") along with a weight of 178 grams (0.39 lbs).

Check the Panasonic G2 and Pentax RZ18 in the latest Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change based on the lens you use at that moment. The following is a front view measurements comparison of the G2 versus the RZ18.

Taking into consideration size and weight, the portability grade of the G2 and RZ18 is 72 and 92 respectively.

Usually, it's hard to picture the contrast between sensor sizing just by reading specifications. The graphic below may give you a far better sense of the sensor dimensions in the G2 and RZ18.

To sum up, the 2 cameras feature different megapixels and different sensor sizing. The G2 with its bigger sensor is going to make achieving shallower DOF simpler and the Pentax RZ18 will offer you extra detail having an extra 4MP. Higher resolution will let you crop shots way more aggressively. The older G2 is going to be behind with regard to sensor technology.