Panasonic G1 vs Pentax RS1500

On this page, we will be reviewing the Panasonic G1 versus Pentax RS1500, former being a Entry-Level Mirrorless while the latter is a Small Sensor Compact by manufacturers Panasonic and Pentax. The image resolution of the G1 (12MP) and the RS1500 (14MP) is pretty well matched but the G1 (Four Thirds) and RS1500 (1/2.3") posses totally different sensor dimensions.

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The G1 was unveiled 3 years prior to the RS1500 and that is quite a significant difference as far as tech is concerned. Both of these cameras have different body design with the Panasonic G1 being a SLR-style mirrorless camera and the Pentax RS1500 being a Compact camera.

Before delving right into a more detailed comparison, here is a concise summation of how the G1 grades against the RS1500 with regard to portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Panasonic Lumix DMC-G1 & Pentax Optio RS1500. The full galleries are viewable at Panasonic G1 Gallery & Pentax RS1500 Gallery.

For anyone who is aiming to lug around your camera often, you are going to need to consider its weight and volume. The Panasonic G1 comes with outer measurements of 124mm x 84mm x 45mm (4.9" x 3.3" x 1.8") with a weight of 360 grams (0.79 lbs) while the Pentax RS1500 has sizing of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") with a weight of 157 grams (0.35 lbs).

Analyze the Panasonic G1 versus Pentax RS1500 in our newest Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ based on the lens you have chosen at the time. Underneath is a front view measurements comparison of the G1 and the RS1500.

Looking at size and weight, the portability rating of the G1 and RS1500 is 82 and 93 respectively.

Oftentimes, it is tough to see the contrast between sensor measurements only by checking technical specs. The visual below may give you a stronger sense of the sensor measurements in the G1 and RS1500.

As you have seen, each of the cameras have different megapixels and different sensor measurements. The G1 having a bigger sensor will make getting shallower DOF simpler and the Pentax RS1500 will give more detail having an extra 2MP. Higher resolution can also enable you to crop pictures a bit more aggressively. The older G1 is going to be behind with regard to sensor tech.