Panasonic G3 vs Pentax RS1500

In this write-up, we will be evaluating the Panasonic G3 versus Pentax RS1500, one is a Entry-Level Mirrorless and the latter is a Small Sensor Compact by competitors Panasonic and Pentax. The sensor resolution of the G3 (16MP) and the RS1500 (14MP) is relatively similar but the G3 (Four Thirds) and RS1500 (1/2.3") enjoy totally different sensor dimensions.

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The G3 was revealed 4 months after the RS1500 and they are of a similar generation. Both of the cameras offer different body type with the Panasonic G3 being a SLR-style mirrorless camera and the Pentax RS1500 being a Compact camera.

Before diving through a more detailed comparison, below is a quick highlight of how the G3 scores against the RS1500 for portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Panasonic Lumix DMC-G3 and Pentax Optio RS1500. The full galleries are available at Panasonic G3 Gallery and Pentax RS1500 Gallery.

For those who are intending to carry around your camera, you'll need to factor its weight and volume. The Panasonic G3 provides outer measurements of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") with a weight of 336 grams (0.74 lbs) and the Pentax RS1500 has sizing of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") along with a weight of 157 grams (0.35 lbs).

Examine the Panasonic G3 versus Pentax RS1500 in the latest Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you have chosen at the time. Underneath is the front view sizing comparison of the G3 and the RS1500.

Taking into account size and weight, the portability grade of the G3 and RS1500 is 83 and 93 respectively.

Oftentimes, it can be difficult to envision the contrast between sensor sizes only by going over specs. The pic below will help provide you a far better sense of the sensor sizing in the G3 and RS1500.

As you can plainly see, the two cameras enjoy different resolutions and different sensor sizes. The G3 with its bigger sensor will make shooting shallower depth of field simpler and the Panasonic G3 will offer you greater detail because of its extra 2MP. Higher resolution will allow you to crop pictures far more aggressively.